Set the length of the ast_sockaddr, so that we can set it's port later.

Without this, the call to ast_sockaddr_set_port a few lines later is a noop.
........

Merged revisions 355901 from http://svn.asterisk.org/svn/asterisk/branches/1.8
........

Merged revisions 355902 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@355903 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_iax2.c

@@ -12407,6 +12407,7 @@ static struct iax2_peer *build_peer(const char *name, struct ast_variable *v, st
 		peer->pokeexpire = -1;
 		peer->sockfd = defaultsockfd;
 		peer->addr.ss.ss_family = AF_INET;
+		peer->addr.len = sizeof(struct sockaddr_in);
 		if (ast_string_field_init(peer, 32))
 			peer = peer_unref(peer);
 	}