Don't set a global variable if the channel you're trying to set CHANLOCALSTATUS on has gone away already.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@9139 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_local.c

@@ -394,7 +394,7 @@ static int local_hangup(struct ast_channel *ast)
 	isoutbound = IS_OUTBOUND(ast, p);
 	if (isoutbound) {
 		status = pbx_builtin_getvar_helper(p->chan, "DIALSTATUS");
-		if(status)
+		if ((status) && (p->owner))
 			pbx_builtin_setvar_helper(p->owner, "CHANLOCALSTATUS", status);
 		p->chan = NULL;
 		p->launchedpbx = 0;