- Fixing Ninjutsu cards not setting unblocked that was broken in r22261

Most hilarious NPE at a line commented with "// this is called after declare blockers, no worries 'bout nulls in isBlocked"

src/main/java/forge/card/ability/effects/ChangeZoneEffect.java

@@ -507,6 +507,7 @@ public class ChangeZoneEffect extends SpellAbilityEffect {
                         if (!defenders.isEmpty()) { 
                             // Blockeres are already declared, set this to unblocked
                             game.getCombat().addAttacker(tgtC, defenders.get(0));
+                            game.getCombat().getBandOfAttacker(tgtC).setBlocked(false);
                         }
                     }
                     if (sa.hasParam("Tapped") || sa.hasParam("Ninjutsu")) {