PCU_Tests: fix f_TC_mt_ping_pong() header readability

Change-Id: I2d2e80fe411c0677b8f8d7833ec2b9ea62888221
diff --git a/pcu/PCU_Tests.ttcn b/pcu/PCU_Tests.ttcn
index 035053d..34dd035 100644
--- a/pcu/PCU_Tests.ttcn
+++ b/pcu/PCU_Tests.ttcn
@@ -1243,7 +1243,9 @@
 /* Test scenario where SGSN wants to send some data against MS and it is
  * answered by the MS on PDCH, so TBFs for downlink and later for uplink are created.
  */
-private function f_TC_mt_ping_pong(template (omit) MSRadioAccessCapabilityV_BSSGP ms_racap := omit, template (present) CodingScheme exp_cs_mcs := ?) runs on RAW_PCU_Test_CT {
+private function f_TC_mt_ping_pong(template (omit) MSRadioAccessCapabilityV_BSSGP ms_racap := omit,
+				   template (present) CodingScheme exp_cs_mcs := ?)
+runs on RAW_PCU_Test_CT {
 	var RlcmacDlBlock dl_block;
 	var octetstring data := f_rnd_octstring(10);
 	var uint32_t sched_fn;