macos permission: address review comments

src/citra_qt/macos_authorization.h

@@ -0,0 +1,12 @@
+// Copyright 2020 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+namespace AppleAuthorization {
+
+bool CheckAuthorizationForCamera();
+bool CheckAuthorizationForMicrophone();
+
+} // namespace AppleAuthorization