Fixes
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index 659ea07..08ef738 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -460,7 +460,7 @@
'src/core/ext/filters/workarounds/workaround_cronet_compression_filter.h',
'src/core/ext/filters/workarounds/workaround_utils.h',
'src/core/lib/surface/init.cc',
- 'src/core/lib/backoff/backoff.c',
+ 'src/core/lib/backoff/backoff.cc',
'src/core/lib/channel/channel_args.cc',
'src/core/lib/channel/channel_stack.cc',
'src/core/lib/channel/channel_stack_builder.cc',
