|  | @@ -127,9 +127,10 @@ Status TestServiceImpl::Echo(ServerContext* context, const EchoRequest* request,
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				|  |  |    if (request->has_param() && request->param().echo_metadata()) {
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				|  |  |      const std::multimap<grpc::string_ref, grpc::string_ref>& client_metadata =
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				|  |  |          context->client_metadata();
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				|  |  | -    for (std::multimap<grpc::string_ref, grpc::string_ref>::const_iterator
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				|  |  | -             iter = client_metadata.begin();
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				|  |  | -         iter != client_metadata.end(); ++iter) {
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				|  |  | +    for (
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				|  |  | +        std::multimap<grpc::string_ref, grpc::string_ref>::const_iterator iter =
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				|  |  | +            client_metadata.begin();
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				|  |  | +        iter != client_metadata.end(); ++iter) {
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				|  |  |        context->AddTrailingMetadata(ToString(iter->first),
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				|  |  |                                     ToString(iter->second));
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				|  |  |      }
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