use static_cast in crc32c instead of c-style cast
use static_cast in crc32c instead of c-style cast

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