Don't limit the length of the hint at the final step (from ~8100 chars max

(or ~500 chars max on LOW_MEMORY) to 80 chars max).  This will allow more
channels to be used in a single hint.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@159162 65c4cc65-6c06-0410-ace0-fbb531ad65f3