v0.4.1a: fixed quickslots not always updating properly

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

@@ -193,6 +193,10 @@ public class ItemSprite extends MovieClip {
 		return this;
 	}
 
+	public void frame( int image ){
+		frame( film.get( image ));
+	}
+
 	@Override
 	public void kill() {
 		super.kill();

src/com/shatteredpixel/shatteredpixeldungeon/ui/ItemSlot.java

@@ -142,6 +142,7 @@ public class ItemSlot extends Button {
 	
 	public void item( Item item ) {
 		if (this.item == item) {
+			if (item != null) icon.frame(item.image);
 			updateText();
 			return;
 		}