WinRT: Corrected header file guard comment.
diff --git a/src/video/winrt/SDL_winrtgamebar_cpp.h b/src/video/winrt/SDL_winrtgamebar_cpp.h
index afcef37..d21738a 100644
--- a/src/video/winrt/SDL_winrtgamebar_cpp.h
+++ b/src/video/winrt/SDL_winrtgamebar_cpp.h
@@ -30,6 +30,6 @@ extern void WINRT_InitGameBar(_THIS);
extern void WINRT_QuitGameBar(_THIS);
#endif
-#endif /* _SDL_winrtmouse_h */
+#endif /* _SDL_winrtgamebar_h */
/* vi: set ts=4 sw=4 expandtab: */