message: fix typo in sanity check
diff: @@ -43,7 +43,7 @@ script: |
  rm -rf qtum/src/cpp-ethereum
  cp -r cpp-eth-qtum qtum/src/cpp-ethereum
  #make sure this file exists...
  - cat qtum/src/cpp-ethereum/utils/b64.c
  + cat qtum/src/cpp-ethereum/utils/libscrypt/b64.c
  WRAP_DIR=$HOME/wrapped
  HOSTS="i686-pc-linux-gnu x86_64-linux-gnu arm-linux-gnueabihf aarch64-linux-gnu"
  