v0.3.2: finished spritework for rot garden, png optimization

src/com/shatteredpixel/shatteredpixeldungeon/sprites/RotHeartSprite.java

@@ -63,6 +63,11 @@ public class RotHeartSprite extends MobSprite {
 		}
 	}
 
+	@Override
+	public void turnTo(int from, int to) {
+		//do nothing
+	}
+
 	@Override
 	public void update() {