Fix projects
diff --git a/grpc.gemspec b/grpc.gemspec
index aca802e..d4df6a1 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -80,13 +80,12 @@
   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_windows.h )
-  s.files += %w( src/core/lib/backoff/backoff.h )
+  s.files += %w( src/core/lib/iomgr/block_annotate.h )
   s.files += %w( src/core/lib/profiling/timers.h )
   s.files += %w( src/core/lib/support/arena.h )
   s.files += %w( src/core/lib/support/atomic.h )
   s.files += %w( src/core/lib/support/atomic_with_atm.h )
   s.files += %w( src/core/lib/support/atomic_with_std.h )
-  s.files += %w( src/core/lib/iomgr/block_annotate.h )
   s.files += %w( src/core/lib/support/env.h )
   s.files += %w( src/core/lib/support/memory.h )
   s.files += %w( src/core/lib/support/mpscq.h )
@@ -98,7 +97,6 @@
   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 )
-  s.files += %w( src/core/lib/backoff/backoff.c )
   s.files += %w( src/core/lib/profiling/basic_timers.c )
   s.files += %w( src/core/lib/profiling/stap_timers.c )
   s.files += %w( src/core/lib/support/alloc.c )
@@ -176,6 +174,7 @@
   s.files += %w( include/grpc/impl/codegen/sync_windows.h )
   s.files += %w( include/grpc/grpc_security.h )
   s.files += %w( include/grpc/census.h )
+  s.files += %w( src/core/lib/backoff/backoff.h )
   s.files += %w( src/core/lib/channel/channel_args.h )
   s.files += %w( src/core/lib/channel/channel_stack.h )
   s.files += %w( src/core/lib/channel/channel_stack_builder.h )
@@ -397,6 +396,7 @@
   s.files += %w( src/core/ext/filters/workarounds/workaround_cronet_compression_filter.h )
   s.files += %w( src/core/ext/filters/workarounds/workaround_utils.h )
   s.files += %w( src/core/lib/surface/init.c )
+  s.files += %w( src/core/lib/backoff/backoff.c )
   s.files += %w( src/core/lib/channel/channel_args.c )
   s.files += %w( src/core/lib/channel/channel_stack.c )
   s.files += %w( src/core/lib/channel/channel_stack_builder.c )