Add -fPIC to the shared library builds. Needed by libleveldbjni.
Add -fPIC to the shared library builds. Needed by libleveldbjni.

Summary: Add -fPIC to the shared library builds. Needed by libleveldbjni.

Test Plan: build

Reviewers: heyongqiang

Reviewed By: heyongqiang

Differential Revision: https://reviews.facebook.net/D5667

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