Add missing GRPC_OVERRIDE, NFC

Testing asan configuration with the latest clang compiler fails due to
the warning `-Winconsistent-missing-override`. This patch fixes it.

2 files changed, 2 insertions, 2 deletions

diff --git a/include/grpc++/async_unary_call.h b/include/grpc++/async_unary_call.h
index f86a1ea518..658941bb6d 100644
--- a/include/grpc++/async_unary_call.h
+++ b/include/grpc++/async_unary_call.h
@@ -92,7 +92,7 @@ class ServerAsyncResponseWriter GRPC_FINAL
   explicit ServerAsyncResponseWriter(ServerContext* ctx)
       : call_(nullptr, nullptr, nullptr), ctx_(ctx) {}
 
-  void SendInitialMetadata(void* tag) {
+  void SendInitialMetadata(void* tag) GRPC_OVERRIDE {
     GPR_ASSERT(!ctx_->sent_initial_metadata_);
 
     meta_buf_.Reset(tag);
diff --git a/include/grpc++/server.h b/include/grpc++/server.h
index cc9cbe2e8d..43c8432caf 100644
--- a/include/grpc++/server.h
+++ b/include/grpc++/server.h
@@ -96,7 +96,7 @@ class Server GRPC_FINAL : private CallHook,
   void RequestAsyncCall(void* registered_method, ServerContext* context,
                         grpc::protobuf::Message* request,
                         ServerAsyncStreamingInterface* stream,
-                        CompletionQueue* cq, void* tag);
+                        CompletionQueue* cq, void* tag) GRPC_OVERRIDE;
 
   // Completion queue.
   CompletionQueue cq_;