Merged revisions 320562 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.6.2

........
  r320562 | dvossel | 2011-05-23 11:15:18 -0500 (Mon, 23 May 2011) | 9 lines
  
  Adds missing part to the ast_tcptls_server_start fails second attempt to bind patch.
  
  (closes issue #19289)
  Reported by: wdoekes
  Patches: 
        issue19289_delay_old_address_setting_tcptls_2.patch uploaded by wdoekes (license 717)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@320568 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/tcptls.c

@@ -542,6 +542,7 @@ void ast_tcptls_server_stop(struct ast_tcptls_session_args *desc)
 		pthread_cancel(desc->master);
 		pthread_kill(desc->master, SIGURG);
 		pthread_join(desc->master, NULL);
+		desc->master = AST_PTHREADT_NULL;
 	}
 	if (desc->accept_fd != -1)
 		close(desc->accept_fd);