From c9beacadb1f9b0cd8858ce59d6cbed01b7f48cd3 Mon Sep 17 00:00:00 2001
From: Makarand Dharmapurikar <makarandd@google.com>
Date: Fri, 30 Sep 2016 11:26:13 -0700
Subject: [PATCH] fix  for gcc 4.4 warning

---
 test/cpp/interop/interop_server.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/cpp/interop/interop_server.cc b/test/cpp/interop/interop_server.cc
index e5e62dfc1ae..b58b744b920 100644
--- a/test/cpp/interop/interop_server.cc
+++ b/test/cpp/interop/interop_server.cc
@@ -157,7 +157,7 @@ class TestServiceImpl : public TestService::Service {
   Status CacheableUnaryCall(ServerContext* context, const SimpleRequest* request,
                    SimpleResponse* response) {
     gpr_timespec ts = gpr_now(GPR_CLOCK_PRECISE);
-    std::string timestamp = std::to_string(ts.tv_nsec);
+    std::string timestamp = std::to_string((long long unsigned)ts.tv_nsec);
     response->mutable_payload()->set_body(timestamp.c_str(), timestamp.size());
     context->AddInitialMetadata("cache-control", "max-age=60, public");
     return Status::OK;