Googletest export

Fix compile error from protected destructor of std::codecvt

PiperOrigin-RevId: 313584603

googletest/include/gtest/internal/gtest-port.h

@@ -2047,7 +2047,8 @@ inline int ChDir(const char* dir) { return chdir(dir); }
 #endif
 inline FILE* FOpen(const char* path, const char* mode) {
 #if GTEST_OS_WINDOWS
-  std::wstring_convert<std::codecvt<wchar_t, char, std::mbstate_t>> converter;
+  struct wchar_codecvt : public std::codecvt<wchar_t, char, std::mbstate_t> {};
+  std::wstring_convert<wchar_codecvt> converter;
   std::wstring wide_path = converter.from_bytes(path);
   std::wstring wide_mode = converter.from_bytes(mode);
   return _wfopen(wide_path.c_str(), wide_mode.c_str());