Unbreak mongo build
Unbreak mongo build

Summary: Unbreak build for mongo.  later, we'll have to figure out if there is a platform independent way to implement ROCKSDB_WARNING

Test Plan: build

Reviewers: igor, sdong

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D42369

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