fix thinko in dnsmgr.c (lesson: don't commit while you are rushing to a meeting and then heading out of town...)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5433 65c4cc65-6c06-0410-ace0-fbb531ad65f3

dnsmgr.c

@@ -86,13 +86,13 @@ struct ast_dnsmgr_entry *ast_dnsmgr_get(const char *name, struct in_addr *result
 
 void ast_dnsmgr_release(struct ast_dnsmgr_entry *entry)
 {
-	/* if there is an entry (and not the special flag value), remove/free it */
-	if (entry && (entry != (typeof(entry)) -1)) {
+	if (!entry)
+		return;
+
 	AST_LIST_LOCK(&entry_list);
 	AST_LIST_REMOVE(&entry_list, entry, list);
 	AST_LIST_UNLOCK(&entry_list);
 	free(entry);
-	};
 }
 
 int ast_dnsmgr_lookup(const char *name, struct in_addr *result, struct ast_dnsmgr_entry **dnsmgr)
@@ -119,16 +119,14 @@ int ast_dnsmgr_lookup(const char *name, struct in_addr *result, struct ast_dnsmg
 
 		if ((hp = ast_gethostbyname(name, &ahp)))
 			memcpy(result, hp->h_addr, sizeof(result));
-		/* flag value to indicate no manager was allocated */
-		*dnsmgr = (typeof(*dnsmgr)) -1;
+		return 0;
 	} else {
 		if (option_verbose > 2)
 			ast_verbose(VERBOSE_PREFIX_2 "adding manager for '%s'\n", name);
 		*dnsmgr = ast_dnsmgr_get(name, result);
-	}
-
 		return !*dnsmgr;
 	}
+}
 
 static void *do_refresh(void *data)
 {