Googletest export

Improve compatibility with strict compilers targeting Windows

Remove an unnecessary ##, which could result in warnings about invalid preprocessor tokens when pasting to an initial '('

PiperOrigin-RevId: 319277617

googlemock/include/gmock/gmock-function-mocker.h

@@ -234,7 +234,7 @@ using internal::FunctionMocker;
   GMOCK_INTERNAL_GET_VALUE_CALLTYPE_I(          \
       GMOCK_PP_CAT(GMOCK_INTERNAL_IS_CALLTYPE_HELPER_, _arg))
 #define GMOCK_INTERNAL_GET_VALUE_CALLTYPE_I(_arg) \
-  GMOCK_PP_CAT(GMOCK_PP_IDENTITY, _arg)
+  GMOCK_PP_IDENTITY _arg
 
 #define GMOCK_INTERNAL_IS_CALLTYPE_HELPER_Calltype