bssgp: rename tr_GLOBAL to tr_GLOBAL_SIG

... to indicate this is about the signaling BVC only.

Change-Id: I646db452c89842465902b5167c9c86de51df1241
diff --git a/library/BSSGP_Emulation.ttcnpp b/library/BSSGP_Emulation.ttcnpp
index 0aa27e6..ebe9f45 100644
--- a/library/BSSGP_Emulation.ttcnpp
+++ b/library/BSSGP_Emulation.ttcnpp
@@ -302,7 +302,7 @@
 	}
 }
 
-private template PDU_BSSGP tr_GLOBAL := (
+private template PDU_BSSGP tr_GLOBAL_SIG := (
 	{pDU_BSSGP_SUSPEND:=?}, {pDU_BSSGP_SUSPEND_ACK:=?}, {pDU_BSSGP_SUSPEND_NACK:=?},
 	{pDU_BSSGP_RESUME:=?}, {pDU_BSSGP_RESUME_ACK:=?}, {pDU_BSSGP_RESUME_NACK:=?},
 	{pDU_BSSGP_SGSN_INVOKE_TRACE:=?}, {pDU_BSSGP_OVERLOAD:=?}
@@ -336,7 +336,7 @@
 	}
 
 	/* Messages with BVCI = 0 (Signaling) in BVCI field of NS */
-	[] BSCP.receive(f_BnsUdInd(tr_GLOBAL, 0)) -> value udi {
+	[] BSCP.receive(f_BnsUdInd(tr_GLOBAL_SIG, 0)) -> value udi {
 		GLOBAL.send(udi.bssgp);
 		}
 	[] BSCP.receive(f_BnsUdInd(tr_RIM, 0)) -> value udi {
@@ -393,7 +393,7 @@
 		BSCP.send(udr);
 	}
 
-	[] GLOBAL.receive(tr_GLOBAL) -> value bssgp {
+	[] GLOBAL.receive(tr_GLOBAL_SIG) -> value bssgp {
 		BSCP.send(f_BnsUdReq(bssgp, 0, 0));
 		}