Change win32 file suffix
diff --git a/grpc.gemspec b/grpc.gemspec
index a9f0f68..ddc828b 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -47,14 +47,14 @@
   s.files += %w( include/grpc/support/atm.h )
   s.files += %w( include/grpc/support/atm_gcc_atomic.h )
   s.files += %w( include/grpc/support/atm_gcc_sync.h )
-  s.files += %w( include/grpc/support/atm_win32.h )
+  s.files += %w( include/grpc/support/atm_windows.h )
   s.files += %w( include/grpc/support/avl.h )
   s.files += %w( include/grpc/support/cmdline.h )
   s.files += %w( include/grpc/support/cpu.h )
   s.files += %w( include/grpc/support/histogram.h )
   s.files += %w( include/grpc/support/host_port.h )
   s.files += %w( include/grpc/support/log.h )
-  s.files += %w( include/grpc/support/log_win32.h )
+  s.files += %w( include/grpc/support/log_windows.h )
   s.files += %w( include/grpc/support/port_platform.h )
   s.files += %w( include/grpc/support/slice.h )
   s.files += %w( include/grpc/support/slice_buffer.h )
@@ -63,7 +63,7 @@
   s.files += %w( include/grpc/support/sync.h )
   s.files += %w( include/grpc/support/sync_generic.h )
   s.files += %w( include/grpc/support/sync_posix.h )
-  s.files += %w( include/grpc/support/sync_win32.h )
+  s.files += %w( include/grpc/support/sync_windows.h )
   s.files += %w( include/grpc/support/thd.h )
   s.files += %w( include/grpc/support/time.h )
   s.files += %w( include/grpc/support/tls.h )
@@ -75,7 +75,7 @@
   s.files += %w( include/grpc/impl/codegen/atm.h )
   s.files += %w( include/grpc/impl/codegen/atm_gcc_atomic.h )
   s.files += %w( include/grpc/impl/codegen/atm_gcc_sync.h )
-  s.files += %w( include/grpc/impl/codegen/atm_win32.h )
+  s.files += %w( include/grpc/impl/codegen/atm_windows.h )
   s.files += %w( include/grpc/impl/codegen/log.h )
   s.files += %w( include/grpc/impl/codegen/port_platform.h )
   s.files += %w( include/grpc/impl/codegen/slice.h )
@@ -83,7 +83,7 @@
   s.files += %w( include/grpc/impl/codegen/sync.h )
   s.files += %w( include/grpc/impl/codegen/sync_generic.h )
   s.files += %w( include/grpc/impl/codegen/sync_posix.h )
-  s.files += %w( include/grpc/impl/codegen/sync_win32.h )
+  s.files += %w( include/grpc/impl/codegen/sync_windows.h )
   s.files += %w( include/grpc/impl/codegen/time.h )
   s.files += %w( src/core/lib/profiling/timers.h )
   s.files += %w( src/core/lib/support/backoff.h )
@@ -93,7 +93,7 @@
   s.files += %w( src/core/lib/support/murmur_hash.h )
   s.files += %w( src/core/lib/support/stack_lockfree.h )
   s.files += %w( src/core/lib/support/string.h )
-  s.files += %w( src/core/lib/support/string_win32.h )
+  s.files += %w( src/core/lib/support/string_windows.h )
   s.files += %w( src/core/lib/support/thd_internal.h )
   s.files += %w( src/core/lib/support/time_precise.h )
   s.files += %w( src/core/lib/support/tmpfile.h )
@@ -109,7 +109,7 @@
   s.files += %w( src/core/lib/support/cpu_windows.c )
   s.files += %w( src/core/lib/support/env_linux.c )
   s.files += %w( src/core/lib/support/env_posix.c )
-  s.files += %w( src/core/lib/support/env_win32.c )
+  s.files += %w( src/core/lib/support/env_windows.c )
   s.files += %w( src/core/lib/support/histogram.c )
   s.files += %w( src/core/lib/support/host_port.c )
   s.files += %w( src/core/lib/support/load_file.c )
@@ -117,29 +117,29 @@
   s.files += %w( src/core/lib/support/log_android.c )
   s.files += %w( src/core/lib/support/log_linux.c )
   s.files += %w( src/core/lib/support/log_posix.c )
-  s.files += %w( src/core/lib/support/log_win32.c )
+  s.files += %w( src/core/lib/support/log_windows.c )
   s.files += %w( src/core/lib/support/murmur_hash.c )
   s.files += %w( src/core/lib/support/slice.c )
   s.files += %w( src/core/lib/support/slice_buffer.c )
   s.files += %w( src/core/lib/support/stack_lockfree.c )
   s.files += %w( src/core/lib/support/string.c )
   s.files += %w( src/core/lib/support/string_posix.c )
-  s.files += %w( src/core/lib/support/string_win32.c )
+  s.files += %w( src/core/lib/support/string_windows.c )
   s.files += %w( src/core/lib/support/subprocess_posix.c )
   s.files += %w( src/core/lib/support/subprocess_windows.c )
   s.files += %w( src/core/lib/support/sync.c )
   s.files += %w( src/core/lib/support/sync_posix.c )
-  s.files += %w( src/core/lib/support/sync_win32.c )
+  s.files += %w( src/core/lib/support/sync_windows.c )
   s.files += %w( src/core/lib/support/thd.c )
   s.files += %w( src/core/lib/support/thd_posix.c )
-  s.files += %w( src/core/lib/support/thd_win32.c )
+  s.files += %w( src/core/lib/support/thd_windows.c )
   s.files += %w( src/core/lib/support/time.c )
   s.files += %w( src/core/lib/support/time_posix.c )
   s.files += %w( src/core/lib/support/time_precise.c )
-  s.files += %w( src/core/lib/support/time_win32.c )
+  s.files += %w( src/core/lib/support/time_windows.c )
   s.files += %w( src/core/lib/support/tls_pthread.c )
   s.files += %w( src/core/lib/support/tmpfile_posix.c )
-  s.files += %w( src/core/lib/support/tmpfile_win32.c )
+  s.files += %w( src/core/lib/support/tmpfile_windows.c )
   s.files += %w( src/core/lib/support/wrap_memcpy.c )
   s.files += %w( include/grpc/byte_buffer.h )
   s.files += %w( include/grpc/byte_buffer_reader.h )
@@ -156,7 +156,7 @@
   s.files += %w( include/grpc/impl/codegen/atm.h )
   s.files += %w( include/grpc/impl/codegen/atm_gcc_atomic.h )
   s.files += %w( include/grpc/impl/codegen/atm_gcc_sync.h )
-  s.files += %w( include/grpc/impl/codegen/atm_win32.h )
+  s.files += %w( include/grpc/impl/codegen/atm_windows.h )
   s.files += %w( include/grpc/impl/codegen/log.h )
   s.files += %w( include/grpc/impl/codegen/port_platform.h )
   s.files += %w( include/grpc/impl/codegen/slice.h )
@@ -164,7 +164,7 @@
   s.files += %w( include/grpc/impl/codegen/sync.h )
   s.files += %w( include/grpc/impl/codegen/sync_generic.h )
   s.files += %w( include/grpc/impl/codegen/sync_posix.h )
-  s.files += %w( include/grpc/impl/codegen/sync_win32.h )
+  s.files += %w( include/grpc/impl/codegen/sync_windows.h )
   s.files += %w( include/grpc/impl/codegen/time.h )
   s.files += %w( include/grpc/grpc_security.h )
   s.files += %w( include/grpc/grpc_security_constants.h )
@@ -202,7 +202,7 @@
   s.files += %w( src/core/lib/iomgr/sockaddr.h )
   s.files += %w( src/core/lib/iomgr/sockaddr_posix.h )
   s.files += %w( src/core/lib/iomgr/sockaddr_utils.h )
-  s.files += %w( src/core/lib/iomgr/sockaddr_win32.h )
+  s.files += %w( src/core/lib/iomgr/sockaddr_windows.h )
   s.files += %w( src/core/lib/iomgr/socket_utils_posix.h )
   s.files += %w( src/core/lib/iomgr/socket_windows.h )
   s.files += %w( src/core/lib/iomgr/tcp_client.h )
@@ -416,7 +416,7 @@
   s.files += %w( src/core/lib/security/credentials.c )
   s.files += %w( src/core/lib/security/credentials_metadata.c )
   s.files += %w( src/core/lib/security/credentials_posix.c )
-  s.files += %w( src/core/lib/security/credentials_win32.c )
+  s.files += %w( src/core/lib/security/credentials_windows.c )
   s.files += %w( src/core/lib/security/google_default_credentials.c )
   s.files += %w( src/core/lib/security/handshake.c )
   s.files += %w( src/core/lib/security/json_token.c )