pcu/GPRS_Components: call f_shutdown() immediately on timeout

Change-Id: I1fa31d95ea393aaf80d8f6c03c3fcf3484daa565
diff --git a/pcu/GPRS_Components.ttcn b/pcu/GPRS_Components.ttcn
index 1bda189..a85cd5e 100644
--- a/pcu/GPRS_Components.ttcn
+++ b/pcu/GPRS_Components.ttcn
@@ -202,6 +202,7 @@
 	[] BTS.receive { repeat; }
 	[] T.timeout {
 		setverdict(fail, "Timeout waiting for Immediate Assignment");
+		f_shutdown(__BFILE__, __LINE__);
 		}
 	}