Fix comment typo error
Fix a simple typo:
Likelyhood -> Likelihood
# workspace directory, which means that subsequent
# jenkins post-build actions can not run because the
# workspace has been removed.
- # To reduce the likelyhood of this having an impact,
+ # To reduce the likelihood of this having an impact,
# recreate the workspace directory if needed
mkdir -p $WORKSPACE
rm -f $CLONEMAP
