add NO_SDL_MOUSEWHEEL_FLIPPED back

Author: yunline

src_c/include/pgcompat.h

@@ -31,6 +31,10 @@ typedef uint8_t Uint8;
 #define PG_GetTicks SDL_GetTicks
 #endif /* SDL_VERSION_ATLEAST(2, 0, 18) */
 
+#ifndef SDL_MOUSEWHEEL_FLIPPED
+#define NO_SDL_MOUSEWHEEL_FLIPPED
+#endif
+
 #endif /* defined(SDL_VERSION_ATLEAST) */
 
 #endif /* ~defined(PGCOMPAT_H) */