v0.3.5: fixed uncloaking taking no time, quick allowed for a 1 turn sneak attack exploit

src/com/shatteredpixel/shatteredpixeldungeon/items/artifacts/CloakOfShadows.java

@@ -98,6 +98,7 @@ public class CloakOfShadows extends Artifact {
 				stealthed = false;
 				activeBuff.detach();
 				activeBuff = null;
+				hero.spend( 1f );
 				hero.sprite.operate( hero.pos );
 			}