* msg_parser_util.c: fixed msg_unquoted_e()
  Ignore-this: 78b9afb6e97ff730d7924d860ef33921
  
  Now accepts NULL buffer with nonzero size.
  
  Coverity issue.


git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13346 d0543943-73ff-0310-b7d9-9358b9ac24b2