BSSMAP_Emulation: Add missing procedure port to client/ConnHdlr

Change-Id: I2925f74d5dcc18f37d48ec8a38a308c1adeef3cc
diff --git a/library/BSSMAP_Emulation.ttcn b/library/BSSMAP_Emulation.ttcn
index 8475d55..14174f8 100644
--- a/library/BSSMAP_Emulation.ttcn
+++ b/library/BSSMAP_Emulation.ttcn
@@ -44,6 +44,8 @@
 type component BSSAP_ConnHdlr {
 	/* port towards MSC Emulator core / SCCP connection dispatchar */
 	port BSSAP_Conn_PT BSSAP;
+	/* procedure based port to register for incoming connections */
+	port BSSMAPEM_PROC_PT BSSAP_PROC;
 }
 
 /* Auxiliary primitive that can happen on the port between per-connection client and this dispatcher */