Fixed Bug #6735

Fixed a skill unit bug that'd run it on nearby targets disregarding friend-or-foe data.
Special Thanks to Haruna for reproducing and providing all the information.
http://hercules.ws/board/tracker/issue-6735-dancer-please-dont-forget-me/

Signed-off-by: shennetsind <ind@henn.et>

src/map/skill.c

@@ -12102,8 +12102,8 @@ int skill_unit_effect (struct block_list* bl, va_list ap) {
 	//Necessary in case the group is deleted after calling on_place/on_out [Skotlex]
 	skill_id = group->skill_id;
 	//Target-type check.
-	if( !(group->bl_flag&bl->type && battle->check_target(&unit->bl,bl,group->target_flag)>0) && (flag&4) ) {
-		if( group->state.song_dance&0x1 || (group->src_id == bl->id && group->state.song_dance&0x2) )
+	if( !(group->bl_flag&bl->type && battle->check_target(&unit->bl,bl,group->target_flag)>0) ) {
+		if( (flag&4) && ( group->state.song_dance&0x1 || (group->src_id == bl->id && group->state.song_dance&0x2) ) )
 			skill->unit_onleft(skill_id, bl, tick);//Ensemble check to terminate it.
 	} else {
 		if( flag&1 )