more MSVC warnings

googletest/include/gtest/gtest.h

@@ -82,6 +82,13 @@
 
 namespace testing {
 
+// Silence C4100 (unreferenced formal parameter) for MSVC
+#ifdef _MSC_VER
+# pragma warning(push)
+# pragma warning(disable:4100)
+#endif
+
+
 // Declares the flags.
 
 // This flag temporary enables the disabled tests.
@@ -2298,6 +2305,10 @@ bool StaticAssertTypeEq() {
 // Tries to determine an appropriate directory for the platform.
 GTEST_API_ std::string TempDir();
 
+#ifdef _MSC_VER
+# pragma warning(pop)
+#endif
+
 }  // namespace testing
 
 // Use this function in main() to run all tests.  It returns 0 if all