I am quite sure I had a good reason for wanting the length of a masked portion...

I am quite sure I had a good reason for wanting the length of a masked portion of a command to be equal to the length of the thing that is masked... but for the life of me I cannot remember why.  Making all masks have fixed length to provide less information to password snoopers


git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@5303 71c3de6d-444a-0410-be80-ed276b4c234a