Add check to make sure commit-queue can never commit too short a message
Created attachment 53294 [details] Patch
I'll commit this w/o review, and Adam and tell me if I'm crazy later.
OK, I was able to reproduce this while trying to commit this. Investigating.
Created attachment 53299 [details] Patch
Committed r57550: <http://trac.webkit.org/changeset/57550>