hotfix: fix voter bug
hotfix: fix voter bug

This patch fix the bug some user can't see issues
whose have more than 4 voters.
We will find the reason later.

ihoneymon/yobi,Limseunghwan/oss,yona-projects/yona,bloodybear/yona,doortts/fork-yobi,doortts/fork-yobi,oolso/yobi,ihoneymon/yobi,doortts/forked-for-history,doortts/fork-yobi,bloodybear/yona,yona-projects/yona,ahb0327/yobi,yona-projects/yona,naver/yobi,ahb0327/yobi,doortts/forked-for-history,yona-projects/yona,Limseunghwan/oss,doortts/fork-yobi,brainagenet/yobi,ahb0327/yobi,oolso/yobi,bloodybear/yona,oolso/yobi,bloodybear/yona,doortts/forked-for-history,brainagenet/yobi,brainagenet/yobi,ihoneymon/yobi,naver/yobi,Limseunghwan/oss,naver/yobi