1 files changed, 2 insertions, 0 deletions
diff --git a/src/sprite.h b/src/sprite.h
index 3e03aee6a..9321ba534 100644
--- a/src/sprite.h
+++ b/src/sprite.h
@@ -52,6 +52,8 @@ struct DrawTileSeqStruct {
 	}
 };
 
+const DrawTileSeqStruct *CopyDrawTileSeqStruct(const DrawTileSeqStruct *dtss);
+
 /** Ground palette sprite of a tile, together with its child sprites */
 struct DrawTileSprites {
 	PalSpriteID ground;           ///< Palette and sprite for the ground