app_queue: Fix incorrect assertion.

(issue ASTERISK-16115)
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Merged revisions 378689 from http://svn.asterisk.org/svn/asterisk/branches/10
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Merged revisions 378690 from http://svn.asterisk.org/svn/asterisk/branches/11


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@378691 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_queue.c

@@ -3624,7 +3624,7 @@ static int ring_entry(struct queue_ent *qe, struct callattempt *tmp, int *busies
 		++*busies;
 		return 0;
 	}
-	ast_assert(qe->parent->ringinuse || tmp->member->call_pending);
+	ast_assert(tmp->member->ringinuse || tmp->member->call_pending);
 
 	ast_copy_string(tech, tmp->interface, sizeof(tech));
 	if ((location = strchr(tech, '/'))) {