ethereum/cpp-ethereum — pull request #467 by nicksavers (2014-11-04 11:57:01+00:00)
Title: Fix empty unclesHash for Genesis

My guess is that something went wrong during the reversion of empty-list hashes -> ''
The empty uncleHash in the genesis block was not reverted back to `sha3(rlp(emptyList))` = `sha3('\xc0')`