FRNET: Add 'control' section

FR_Tests already had a control section, but FRNET_Tests didn't have one,
let's change that.

Change-Id: If08fa3572050fcd794be054afd4ebc44cd6580f6
diff --git a/fr-net/FRNET_Tests.ttcn b/fr-net/FRNET_Tests.ttcn
index c2994f6..010ca50 100644
--- a/fr-net/FRNET_Tests.ttcn
+++ b/fr-net/FRNET_Tests.ttcn
@@ -76,5 +76,9 @@
 	}
 }
 
+control {
+	execute( TC_foo() );
+}
+
 
 }