v1.3.0: fixed wand of corrosion not trigger friendly fire badge

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/blobs/CorrosiveGas.java

@@ -55,7 +55,7 @@ public class CorrosiveGas extends Blob {
 					cell = i + j*Dungeon.level.width();
 					if (cur[cell] > 0 && (ch = Actor.findChar( cell )) != null) {
 						if (!ch.isImmune(this.getClass()))
-							Buff.affect(ch, Corrosion.class).set(2f, strength);
+							Buff.affect(ch, Corrosion.class).set(2f, strength, source);
 					}
 				}
 			}