BSC: add TC_paging_counter to control section

The testcase TC_paging_counter is missing in the control section.
This means that if it is not started explicitly, it is not executed.

- Add TC_paging_counter to control section

Change-Id: Ie37b8cb554ea1db64a8d7927eb300d368ce67137
diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn
index 796aea3..c8e29b8 100644
--- a/bsc/BSC_Tests.ttcn
+++ b/bsc/BSC_Tests.ttcn
@@ -1683,6 +1683,7 @@
 	execute( TC_paging_imsi_nochan_lacs_empty() );
 	execute( TC_paging_imsi_a_reset() );
 	execute( TC_paging_imsi_load() );
+	execute( TC_paging_counter() );
 
 	execute( TC_rsl_drop_counter() );