v0.6.0: adjusted the cursed wand 'crash' effect to quit the game instead

The reason behind this is that google now tracks crashes and ANRS as a
measure of overall app stability. It seems silly to reduce the measured
stability of shattered just due to a joke. This still gives the same
effect, but with no stabiltiy impact.

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/wands/CursedWand.java

@@ -412,7 +412,7 @@ public class CursedWand {
 									
 									@Override
 									protected void onSelect(int index) {
-										throw new RuntimeException("critical wand exception");
+										Game.instance.finish();
 									}
 									
 									@Override