Fix valgrind test
Fix valgrind test

Summary: Get valgrind to stop complaining about uninitialized value

Test Plan: valgrind not complaining anymore

Reviewers: sdong, yhchiang, ljin

Reviewed By: ljin

Subscribers: leveldb

Differential Revision: https://reviews.facebook.net/D23289

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