Elminate range-based fors and work around some other limitations in older compilers

1 files changed, 1 insertions, 1 deletions

diff --git a/src/cpp/common/call.cc b/src/cpp/common/call.cc
index 5c26a1ad7c..311e0d01b0 100644
--- a/src/cpp/common/call.cc
+++ b/src/cpp/common/call.cc
@@ -148,7 +148,7 @@ void FillMetadataMap(grpc_metadata_array* arr,
     // TODO(yangg) handle duplicates?
     metadata->insert(std::pair<grpc::string, grpc::string>(
         arr->metadata[i].key,
-        {arr->metadata[i].value, arr->metadata[i].value_length}));
+        grpc::string(arr->metadata[i].value, arr->metadata[i].value_length)));
   }
   grpc_metadata_array_destroy(arr);
   grpc_metadata_array_init(arr);