Merged revisions 166268 via svnmerge from

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

........
  r166268 | file | 2008-12-22 12:08:13 -0400 (Mon, 22 Dec 2008) | 7 lines
  
  Record the previous port in the temporary address structure so that the comparison does not treat the host as having changed even if it did not. This would have been uninitialized before and would have led to a baddddd port.
  (closes issue #13628)
  Reported by: pananix
  Patches:
        bug13628.patch uploaded by jpeeler (license 325)
  Tested by: file, blitzrage
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.1@166272 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/dnsmgr.c

@@ -164,6 +164,8 @@ static int dnsmgr_refresh(struct ast_dnsmgr_entry *entry, int verbose)
 	if (verbose)
 		ast_verb(3, "refreshing '%s'\n", entry->name);
 
+	tmp.sin_port = entry->last.sin_port;
+	
 	if (!ast_get_ip_or_srv(&tmp, entry->name, entry->service) && inaddrcmp(&tmp, &entry->last)) {
 		ast_copy_string(iabuf, ast_inet_ntoa(entry->last.sin_addr), sizeof(iabuf));
 		ast_copy_string(iabuf2, ast_inet_ntoa(tmp.sin_addr), sizeof(iabuf2));