Include gtest and gmock headers as user headers instead of system headers.
diff --git a/test/gmock-port_test.cc b/test/gmock-port_test.cc
index a84eb9e..d6a8d44 100644
--- a/test/gmock-port_test.cc
+++ b/test/gmock-port_test.cc
@@ -33,8 +33,8 @@
 //
 // This file tests the internal cross-platform support utilities.
 
-#include <gmock/internal/gmock-port.h>
-#include <gtest/gtest.h>
+#include "gmock/internal/gmock-port.h"
+#include "gtest/gtest.h"
 
 // NOTE: if this file is left without tests for some reason, put a dummy
 // test here to make references to symbols in the gtest library and avoid