chan_sip: Fix IP-addr in warning when rejecting a contact ACL.

Patches:
    reviewboard-2155.patch uploaded by Paul Belanger
Review: https://reviewboard.asterisk.org/r/2155/
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Merged revisions 396579 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 396580 from http://svn.asterisk.org/svn/asterisk/branches/11


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@396581 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -16148,7 +16148,7 @@ static enum parse_register_result parse_register_contact(struct sip_pvt *pvt, st
 	if (ast_apply_acl(sip_cfg.contact_acl, &peer->addr, "SIP contact ACL: ") != AST_SENSE_ALLOW ||
 			ast_apply_acl(peer->contactacl, &peer->addr, "SIP contact ACL: ") != AST_SENSE_ALLOW) {
 		ast_log(LOG_WARNING, "Domain '%s' disallowed by contact ACL (violating IP %s)\n", hostport,
-			ast_sockaddr_stringify_addr(&testsa));
+				ast_sockaddr_stringify_addr(&peer->addr));
 		ast_string_field_set(peer, fullcontact, "");
 		ast_string_field_set(pvt, our_contact, "");
 		return PARSE_REGISTER_DENIED;