v0.9.3: fixed quickslots rarely not updating when upgrading thrown weps

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/weapon/missiles/MissileWeapon.java

@@ -120,7 +120,9 @@ abstract public class MissileWeapon extends Weapon {
 				Item similar = Dungeon.hero.belongings.getSimilar(this);
 				if (similar != null){
 					detach(Dungeon.hero.belongings.backpack);
-					return similar.merge(this);
+					Item result = similar.merge(this);
+					updateQuickslot();
+					return result;
 				}
 				updateQuickslot();
 				return this;