Fix GULLoggerEnableSTDERR by using STDERR_FILENO (#1595)
Fix GULLoggerEnableSTDERR by using STDERR_FILENO (#1595)


firebase/firebase-ios-sdk,firebase/firebase-ios-sdk,firebase/firebase-ios-sdk,firebase/firebase-ios-sdk,firebase/firebase-ios-sdk,firebase/firebase-ios-sdk,firebase/firebase-ios-sdk