Fixing valgrind error in checkpoint_test
Fixing valgrind error in checkpoint_test

Summary: Fixed a valgrind issue in checkpoint_test

Test Plan: valgrind on checkpoint_test

Reviewers: igor, anthony

Reviewed By: anthony

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D40455

JoeWoo/rocksdb,Vaisman/rocksdb,IMCG/RcoksDB,alihalabyah/rocksdb,mbarbon/rocksdb,Andymic/rocksdb,flabby/rocksdb,wskplho/rocksdb,ryneli/rocksdb,flabby/rocksdb,vmx/rocksdb,SunguckLee/RocksDB,ryneli/rocksdb,tizzybec/rocksdb,skunkwerks/rocksdb,caijieming-baidu/rocksdb,mbarbon/rocksdb,facebook/rocksdb,biddyweb/rocksdb,Andymic/rocksdb,Vaisman/rocksdb,ylong/rocksdb,JohnPJenkins/rocksdb,JoeWoo/rocksdb,makelivedotnet/rocksdb,fengshao0907/rocksdb,facebook/rocksdb,facebook/rocksdb,lgscofield/rocksdb,SunguckLee/RocksDB,sorphi/rocksdb,JoeWoo/rocksdb,SunguckLee/RocksDB,wat-ze-hex/rocksdb,geraldoandradee/rocksdb,mbarbon/rocksdb,wat-ze-hex/rocksdb,biddyweb/rocksdb,JohnPJenkins/rocksdb,temicai/rocksdb,caijieming-baidu/rocksdb,siddhartharay007/rocksdb,JackLian/rocksdb,lgscofield/rocksdb,rDSN-Projects/rocksdb.replicated,temicai/rocksdb,kaschaeffer/rocksdb,alihalabyah/rocksdb,sorphi/rocksdb,dkorolev/rocksdb,wat-ze-hex/rocksdb,jalexanderqed/rocksdb,bbiao/rocksdb,wenduo/rocksdb,geraldoandradee/rocksdb,Andymic/rocksdb,geraldoandradee/rocksdb,OverlordQ/rocksdb,caijieming-baidu/rocksdb,siddhartharay007/rocksdb,hobinyoon/rocksdb,flabby/rocksdb,bbiao/rocksdb,ylong/rocksdb,Applied-Duality/rocksdb,zhangpng/rocksdb,wenduo/rocksdb,luckywhu/rocksdb,tizzybec/rocksdb,tizzybec/rocksdb,wat-ze-hex/rocksdb,RyanTech/rocksdb,anagav/rocksdb,JoeWoo/rocksdb,facebook/rocksdb,ryneli/rocksdb,wlqGit/rocksdb,kaschaeffer/rocksdb,siddhartharay007/rocksdb,lgscofield/rocksdb,biddyweb/rocksdb,bbiao/rocksdb,sorphi/rocksdb,alihalabyah/rocksdb,ryneli/rocksdb,fengshao0907/rocksdb,wat-ze-hex/rocksdb,Applied-Duality/rocksdb,tsheasha/rocksdb,vashstorm/rocksdb,IMCG/RcoksDB,siddhartharay007/rocksdb,bbiao/rocksdb,temicai/rocksdb,OverlordQ/rocksdb,RyanTech/rocksdb,vashstorm/rocksdb,sorphi/rocksdb,flabby/rocksdb,alihalabyah/rocksdb,vashstorm/rocksdb,facebook/rocksdb,tizzybec/rocksdb,vmx/rocksdb,vmx/rocksdb,tizzybec/rocksdb,hobinyoon/rocksdb,norton/rocksdb,dkorolev/rocksdb,wskplho/rocksdb,makelivedotnet/rocksdb,norton/rocksdb,dkorolev/rocksdb,Vaisman/rocksdb,SunguckLee/RocksDB,kaschaeffer/rocksdb,rDSN-Projects/rocksdb.replicated,tsheasha/rocksdb,caijieming-baidu/rocksdb,mbarbon/rocksdb,IMCG/RcoksDB,jalexanderqed/rocksdb,bbiao/rocksdb,norton/rocksdb,norton/rocksdb,dkorolev/rocksdb,JackLian/rocksdb,ylong/rocksdb,hobinyoon/rocksdb,makelivedotnet/rocksdb,wenduo/rocksdb,norton/rocksdb,wskplho/rocksdb,makelivedotnet/rocksdb,SunguckLee/RocksDB,siddhartharay007/rocksdb,vmx/rocksdb,alihalabyah/rocksdb,ylong/rocksdb,wenduo/rocksdb,lgscofield/rocksdb,siddhartharay007/rocksdb,rDSN-Projects/rocksdb.replicated,OverlordQ/rocksdb,ylong/rocksdb,IMCG/RcoksDB,kaschaeffer/rocksdb,zhangpng/rocksdb,RyanTech/rocksdb,Applied-Duality/rocksdb,rDSN-Projects/rocksdb.replicated,luckywhu/rocksdb,anagav/rocksdb,facebook/rocksdb,vmx/rocksdb,biddyweb/rocksdb,fengshao0907/rocksdb,JohnPJenkins/rocksdb,tsheasha/rocksdb,jalexanderqed/rocksdb,vmx/rocksdb,kaschaeffer/rocksdb,bbiao/rocksdb,sorphi/rocksdb,JoeWoo/rocksdb,makelivedotnet/rocksdb,temicai/rocksdb,jalexanderqed/rocksdb,dkorolev/rocksdb,skunkwerks/rocksdb,fengshao0907/rocksdb,wlqGit/rocksdb,vmx/rocksdb,SunguckLee/RocksDB,jalexanderqed/rocksdb,zhangpng/rocksdb,temicai/rocksdb,vashstorm/rocksdb,IMCG/RcoksDB,wskplho/rocksdb,luckywhu/rocksdb,jalexanderqed/rocksdb,tizzybec/rocksdb,wenduo/rocksdb,wat-ze-hex/rocksdb,Vaisman/rocksdb,kaschaeffer/rocksdb,kaschaeffer/rocksdb,ylong/rocksdb,RyanTech/rocksdb,makelivedotnet/rocksdb,sorphi/rocksdb,OverlordQ/rocksdb,RyanTech/rocksdb,wlqGit/rocksdb,caijieming-baidu/rocksdb,biddyweb/rocksdb,fengshao0907/rocksdb,mbarbon/rocksdb,hobinyoon/rocksdb,skunkwerks/rocksdb,norton/rocksdb,Applied-Duality/rocksdb,JackLian/rocksdb,mbarbon/rocksdb,skunkwerks/rocksdb,anagav/rocksdb,siddhartharay007/rocksdb,tizzybec/rocksdb,Applied-Duality/rocksdb,zhangpng/rocksdb,facebook/rocksdb,facebook/rocksdb,geraldoandradee/rocksdb,luckywhu/rocksdb,RyanTech/rocksdb,rDSN-Projects/rocksdb.replicated,RyanTech/rocksdb,wskplho/rocksdb,OverlordQ/rocksdb,IMCG/RcoksDB,JackLian/rocksdb,temicai/rocksdb,alihalabyah/rocksdb,bbiao/rocksdb,biddyweb/rocksdb,Andymic/rocksdb,JackLian/rocksdb,JohnPJenkins/rocksdb,tsheasha/rocksdb,vashstorm/rocksdb,caijieming-baidu/rocksdb,temicai/rocksdb,JohnPJenkins/rocksdb,ylong/rocksdb,Andymic/rocksdb,makelivedotnet/rocksdb,JackLian/rocksdb,jalexanderqed/rocksdb,OverlordQ/rocksdb,skunkwerks/rocksdb,vmx/rocksdb,wat-ze-hex/rocksdb,IMCG/RcoksDB,wenduo/rocksdb,dkorolev/rocksdb,wenduo/rocksdb,vashstorm/rocksdb,anagav/rocksdb,lgscofield/rocksdb,norton/rocksdb,tsheasha/rocksdb,wskplho/rocksdb,SunguckLee/RocksDB,OverlordQ/rocksdb,ryneli/rocksdb,anagav/rocksdb,wlqGit/rocksdb,JackLian/rocksdb,mbarbon/rocksdb,wlqGit/rocksdb,flabby/rocksdb,rDSN-Projects/rocksdb.replicated,biddyweb/rocksdb,geraldoandradee/rocksdb,wenduo/rocksdb,ryneli/rocksdb,JoeWoo/rocksdb,anagav/rocksdb,luckywhu/rocksdb,SunguckLee/RocksDB,ryneli/rocksdb,rDSN-Projects/rocksdb.replicated,flabby/rocksdb,wlqGit/rocksdb,JohnPJenkins/rocksdb,sorphi/rocksdb,zhangpng/rocksdb,Vaisman/rocksdb,Applied-Duality/rocksdb,luckywhu/rocksdb,luckywhu/rocksdb,JohnPJenkins/rocksdb,geraldoandradee/rocksdb,flabby/rocksdb,fengshao0907/rocksdb,zhangpng/rocksdb,Andymic/rocksdb,hobinyoon/rocksdb,anagav/rocksdb,tsheasha/rocksdb,bbiao/rocksdb,Andymic/rocksdb,wskplho/rocksdb,JoeWoo/rocksdb,lgscofield/rocksdb,Vaisman/rocksdb,wat-ze-hex/rocksdb,vashstorm/rocksdb,hobinyoon/rocksdb,lgscofield/rocksdb,skunkwerks/rocksdb,norton/rocksdb,wlqGit/rocksdb,geraldoandradee/rocksdb,zhangpng/rocksdb,alihalabyah/rocksdb,caijieming-baidu/rocksdb,hobinyoon/rocksdb,hobinyoon/rocksdb,dkorolev/rocksdb,Applied-Duality/rocksdb,skunkwerks/rocksdb,fengshao0907/rocksdb,tsheasha/rocksdb,tsheasha/rocksdb,Vaisman/rocksdb,Andymic/rocksdb