leveldb: compaction: verify table checksums if opt.OFParanoidCheck is set
leveldb: compaction: verify table checksums if opt.OFParanoidCheck is set

FactomProject/goleveldb,no2key/goleveldb,hustbill/goleveldb,btcsuite/goleveldb,chai2010/goleveldb,conseweb/goleveldb,zzl0/goleveldb,syndtr/goleveldb,trigrass2/goleveldb,ngaut/goleveldb,rentongzhang/goleveldb