fix travis
fix travis

Andymic/rocksdb,Andymic/rocksdb,facebook/rocksdb,hobinyoon/rocksdb,OverlordQ/rocksdb,hobinyoon/rocksdb,tsheasha/rocksdb,flabby/rocksdb,norton/rocksdb,wenduo/rocksdb,hobinyoon/rocksdb,wat-ze-hex/rocksdb,tsheasha/rocksdb,vmx/rocksdb,norton/rocksdb,facebook/rocksdb,norton/rocksdb,vmx/rocksdb,flabby/rocksdb,vmx/rocksdb,Andymic/rocksdb,bbiao/rocksdb,wenduo/rocksdb,facebook/rocksdb,facebook/rocksdb,norton/rocksdb,wenduo/rocksdb,ryneli/rocksdb,SunguckLee/RocksDB,jalexanderqed/rocksdb,tsheasha/rocksdb,OverlordQ/rocksdb,flabby/rocksdb,jalexanderqed/rocksdb,Andymic/rocksdb,wat-ze-hex/rocksdb,SunguckLee/RocksDB,hobinyoon/rocksdb,vmx/rocksdb,tsheasha/rocksdb,flabby/rocksdb,hobinyoon/rocksdb,flabby/rocksdb,bbiao/rocksdb,tsheasha/rocksdb,vmx/rocksdb,facebook/rocksdb,SunguckLee/RocksDB,norton/rocksdb,Andymic/rocksdb,Andymic/rocksdb,SunguckLee/RocksDB,Andymic/rocksdb,wat-ze-hex/rocksdb,ryneli/rocksdb,norton/rocksdb,SunguckLee/RocksDB,wat-ze-hex/rocksdb,bbiao/rocksdb,OverlordQ/rocksdb,vmx/rocksdb,hobinyoon/rocksdb,tsheasha/rocksdb,bbiao/rocksdb,wenduo/rocksdb,norton/rocksdb,wenduo/rocksdb,jalexanderqed/rocksdb,facebook/rocksdb,jalexanderqed/rocksdb,bbiao/rocksdb,jalexanderqed/rocksdb,hobinyoon/rocksdb,bbiao/rocksdb,wat-ze-hex/rocksdb,ryneli/rocksdb,bbiao/rocksdb,bbiao/rocksdb,OverlordQ/rocksdb,wenduo/rocksdb,jalexanderqed/rocksdb,wat-ze-hex/rocksdb,SunguckLee/RocksDB,facebook/rocksdb,tsheasha/rocksdb,ryneli/rocksdb,SunguckLee/RocksDB,SunguckLee/RocksDB,OverlordQ/rocksdb,OverlordQ/rocksdb,flabby/rocksdb,flabby/rocksdb,ryneli/rocksdb,Andymic/rocksdb,wenduo/rocksdb,hobinyoon/rocksdb,ryneli/rocksdb,wenduo/rocksdb,vmx/rocksdb,ryneli/rocksdb,wat-ze-hex/rocksdb,OverlordQ/rocksdb,facebook/rocksdb,wat-ze-hex/rocksdb,vmx/rocksdb,jalexanderqed/rocksdb,norton/rocksdb,tsheasha/rocksdb