Fix an incorrect usage of sizeof()

(closes issue #13795)
Reported by: andrew53
Patches:
	chan_sip_sizeof.patch uploaded by andrew53 (license 519)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@152539 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -5279,7 +5279,7 @@ static int process_sdp(struct sip_pvt *p, struct sip_request *req)
 				struct sockaddr_in peer;
 				ast_rtp_get_peer(p->rtp, &peer);
 				if (peer.sin_addr.s_addr) {
-					memcpy(&sin.sin_addr, &peer.sin_addr, sizeof(&sin.sin_addr));
+					memcpy(&sin.sin_addr, &peer.sin_addr, sizeof(sin.sin_addr));
 					if (debug) {
 						ast_log(LOG_DEBUG, "Peer T.38 UDPTL is set behind NAT and with destination, destination address now %s\n", ast_inet_ntoa(sin.sin_addr));
 					}