rem: return glgfx_bitmap_haschanged(sprite->bitmap) || sprite->has_changed;
add: return glgfx_bitmap_haschanged(sprite->bitmap) || has_changed;
context: bool glgfx_sprite_haschanged(struct glgfx_sprite* sprite) {  bool has_changed = sprite->has_changed;  sprite->has_changed = false;  // Always call glgfx_bitmap_haschanged, since we want to reset its  // has_changed flag.  return glgfx_bitmap_haschanged(sprite->bitmap) || sprite->has_changed;}