Add SAFE_DIV

gflib/sprite.c

@@ -1329,12 +1329,7 @@ void ApplyAffineAnimFrameRelativeAndUpdateMatrix(u8 matrixNum, struct AffineAnim
 s16 ConvertScaleParam(s16 scale)
 {
     s32 val = 0x10000;
-    // UB: possible division by zero
-#ifdef UBFIX
-    if (scale == 0)
-        return 0;
-#endif //UBFIX
-    return val / scale;
+    return SAFE_DIV(val, scale);
 }
 
 void GetAffineAnimFrame(u8 matrixNum, struct Sprite *sprite, struct AffineAnimFrameCmd *frameCmd)