Supress strict prototype warning in gRPC pods
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index 48f8f43..4d86a62 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -85,6 +85,7 @@
     'USE_HEADERMAP' => 'NO',
     'ALWAYS_SEARCH_USER_PATHS' => 'NO',
     'GCC_PREPROCESSOR_DEFINITIONS' => '"$(inherited)" "COCOAPODS=1" "PB_NO_PACKED_STRUCTS=1"',
+    'CLANG_WARN_STRICT_PROTOTYPES' => 'NO',
   }
 
   s.default_subspecs = 'Interface', 'Implementation'