fix: General객체에서 permission과 penalty를 받아오지 않는 버그

hwe/sammo/API/General/GetFrontInfo.php

@@ -76,6 +76,7 @@ class GetFrontInfo extends \sammo\BaseAPI
       'conlimit',
     ]);
 
+    $lastVote = null;
     if ($lastVoteID) {
       $voteStor = KVStorage::getStorage($db, 'vote');
       $lastVote = VoteInfo::fromArray($voteStor->getValue("vote_{$lastVoteID}"));