Code:

git fetch https://git.gitorious.org/~Luke-Jr/bitcoin/luke-jrs-poclbm.git bugfix_difficulty_error && git merge FETCH_HEAD

If this saves you time and money, consider dropping me some bitcoin

1AgqndFUg2sDSxW8NbzPyHvUibW6FHqQeA

This fix worked for me and got me back to mining at full complement. I sent you some bitcoins. thanks.

ivank2139