* su_string.c: it is A. Not a Z. git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@11809 d0543943-73ff-0310-b7d9-9358b9ac24b2
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@11787 d0543943-73ff-0310-b7d9-9358b9ac24b2