mgw: Fix mixed-up MGW / local IP address

Change-Id: Ie4f6da896f53e9fabd7275fe6d8f8c6309e02d14
diff --git a/mgw/MGCP_Test.ttcn b/mgw/MGCP_Test.ttcn
index 4872aba..c1ff3fc 100644
--- a/mgw/MGCP_Test.ttcn
+++ b/mgw/MGCP_Test.ttcn
@@ -255,7 +255,7 @@
 		if (one_phase) {
 			/* Connect flow to MGW */
 			cmd := ts_CRCX(get_next_trans_id(), ep, "sendrecv", call_id);
-			cmd.sdp := ts_SDP(flow.em.hostname, flow.mgw.hostname, "23", "42",
+			cmd.sdp := ts_SDP(flow.em.hostname, flow.em.hostname, "23", "42",
 					  flow.em.portnr, { int2str(flow.pt) },
 					  { valueof(ts_SDP_rtpmap(flow.pt, flow.codec)),
 					    valueof(ts_SDP_ptime(20)) });
@@ -275,7 +275,7 @@
 
 			/* then connect it to the emulation-side RTP socket using SDP */
 			cmd := ts_MDCX(get_next_trans_id(), ep, "sendrecv", call_id, flow.mgcp_conn_id);
-			cmd.sdp := ts_SDP(flow.em.hostname, flow.mgw.hostname, "23", "42",
+			cmd.sdp := ts_SDP(flow.em.hostname, flow.em.hostname, "23", "42",
 					  flow.em.portnr, { int2str(flow.pt) },
 					  { valueof(ts_SDP_rtpmap(flow.pt, flow.codec)),
 					    valueof(ts_SDP_ptime(20)) });