pullreuqest: fixed a bug
pullreuqest: fixed a bug

* git reset --hard HEAD & git clean before git checkout

oolso/yobi,naver/yobi,naver/yobi,bloodybear/yona,ChangsungKim/TestRepository01,naver/yobi,ahb0327/yobi,ChangsungKim/TestRepository01,ihoneymon/yobi,ihoneymon/yobi,doortts/fork-yobi,doortts/fork-yobi,bloodybear/yona,oolso/yobi,brainagenet/yobi,ahb0327/yobi,brainagenet/yobi,yona-projects/yona,doortts/fork-yobi,brainagenet/yobi,doortts/fork-yobi,yona-projects/yona,ihoneymon/yobi,yona-projects/yona,violetag/demo,bloodybear/yona,Limseunghwan/oss,yona-projects/yona,doortts/forked-for-history,oolso/yobi,doortts/forked-for-history,Limseunghwan/oss,doortts/forked-for-history,ahb0327/yobi,violetag/demo,bloodybear/yona,Limseunghwan/oss