Removed a usage of Mob::DistNoRoot and used ComparativeDistance instead

zone/groups.cpp

@@ -1306,7 +1306,7 @@ void Group::BalanceMana(int32 penalty, float range, Mob* caster, int32 limit)
 	for(gi = 0; gi < MAX_GROUP_MEMBERS; gi++)
 	{
 		if(members[gi]){
-			distance = caster->DistNoRoot(*members[gi]);
+			distance = ComparativeDistance(caster->GetPosition(), members[gi]->GetPosition());
 			if(distance <= range2){
 				if((members[gi]->GetMaxMana() - manataken) < 1){
 					members[gi]->SetMana(1);