Privatize thread-local storage headers
diff --git a/gRPC-C++.podspec b/gRPC-C++.podspec
index 55f33d9..2b23c28 100644
--- a/gRPC-C++.podspec
+++ b/gRPC-C++.podspec
@@ -212,6 +212,10 @@
                       'src/core/lib/gpr/string_windows.h',
                       'src/core/lib/gpr/thd_internal.h',
                       'src/core/lib/gpr/time_precise.h',
+                      'src/core/lib/gpr/tls.h',
+                      'src/core/lib/gpr/tls_gcc.h',
+                      'src/core/lib/gpr/tls_msvc.h',
+                      'src/core/lib/gpr/tls_pthread.h',
                       'src/core/lib/gpr/tmpfile.h',
                       'src/core/lib/gprpp/abstract.h',
                       'src/core/lib/gprpp/atomic.h',
@@ -458,6 +462,10 @@
                               'src/core/lib/gpr/string_windows.h',
                               'src/core/lib/gpr/thd_internal.h',
                               'src/core/lib/gpr/time_precise.h',
+                              'src/core/lib/gpr/tls.h',
+                              'src/core/lib/gpr/tls_gcc.h',
+                              'src/core/lib/gpr/tls_msvc.h',
+                              'src/core/lib/gpr/tls_pthread.h',
                               'src/core/lib/gpr/tmpfile.h',
                               'src/core/lib/gprpp/abstract.h',
                               'src/core/lib/gprpp/atomic.h',