Merged revisions 247770 via svnmerge from

https://origsvn.digium.com/svn/asterisk/trunk

........
  r247770 | dvossel | 2010-02-18 15:23:48 -0600 (Thu, 18 Feb 2010) | 9 lines
  
  fixes confbridge crash when no timing module is loaded.
  
  (closes issue #16471)
  Reported by: kjotte
  Patches:
        M16471.diff uploaded by junky (license 177)
  Tested by: kjotte, junky
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.2@247776 65c4cc65-6c06-0410-ace0-fbb531ad65f3

bridges/bridge_softmix.c

@@ -99,6 +99,9 @@ static int softmix_bridge_create(struct ast_bridge *bridge)
 /*! \brief Function called when a bridge is destroyed */
 static int softmix_bridge_destroy(struct ast_bridge *bridge)
 {
+	if (!bridge->bridge_pvt) {
+		return -1;
+	}
 	ast_timer_close((struct ast_timer *) bridge->bridge_pvt);
 
 	return 0;