Merged revisions 320235 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
  r320235 | rmudgett | 2011-05-20 15:38:22 -0500 (Fri, 20 May 2011) | 13 lines
  
  The meetme CLI command completion leaves conferences mutex locked.
  
  When issuing a meetme kick CLI command and an invalid (non-existent)
  conference number is specified, pressing Tab leaves the conferences mutex
  locked and, therefore, all conferences deadlock.
  
  Add missing unlock.
  
  (closes issue #19336)
  Reported by: zvision
  Patches:
        app_meetme.diff uploaded by zvision (license 798)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.2@320236 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_meetme.c

@@ -1241,6 +1241,7 @@ static char *complete_meetmecmd(const char *line, const char *word, int pos, int
 				AST_LIST_UNLOCK(&confs);
 				return usr ? ast_strdup(usrno) : NULL;
 			}
+			AST_LIST_UNLOCK(&confs);
 		}
 	}