Build fixes.
Build fixes.

douglas-larocca/solidity,shahankhatch/solidity,debris/solidity,LefterisJP/solidity,ruchevits/solidity,ruchevits/solidity,chriseth/solidity-doc-test,ruchevits/solidity,arkpar/solidity,LianaHus/solidity,chriseth/solidity,ruchevits/solidity,vaporry/solidity,ethers/solidity,gluk256/solidity