copy->mutableCopy

6 years ago · c83ab56fe1
parent f4a77ce492
commit c83ab56fe1
1 changed files with 1 additions and 1 deletions
--- a/src/objective-c/GRPCClient/GRPCCall.m
+++ b/src/objective-c/GRPCClient/GRPCCall.m
@ -581,7 +581,7 @@ const char *kCFStreamVarName = "grpc_cfstream";
      break;
  }

-  NSMutableDictionary *headers = [_requestHeaders copy];
+  NSMutableDictionary *headers = [_requestHeaders mutableCopy];
  NSString *fetchedOauth2AccessToken;
  @synchronized(self) {
    fetchedOauth2AccessToken = _fetchedOauth2AccessToken;