Mir: Fixed comment at conditional compilation macro.
diff --git a/src/video/mir/SDL_mirwindow.h b/src/video/mir/SDL_mirwindow.h
index d7bc851..4ba5869 100644
--- a/src/video/mir/SDL_mirwindow.h
+++ b/src/video/mir/SDL_mirwindow.h
@@ -78,7 +78,7 @@ MIR_SetWindowMaximumSize(_THIS, SDL_Window* window);
extern void
MIR_SetWindowTitle(_THIS, SDL_Window* window);
-#endif /* _SDL_mirwindow */
+#endif /* _SDL_mirwindow_h */
/* vi: set ts=4 sw=4 expandtab: */