eliminate another batch of compiler warnings (and a bug, although in code we...

eliminate another batch of compiler warnings (and a bug, although in code we aren't using)... note that this required manually editing the lexer output code (generated by flex), so some of them will come back if the lexer is rebuilt


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@73726 65c4cc65-6c06-0410-ace0-fbb531ad65f3