Fixed ReceptionTime (optional)

ttcn/DENM/LibItsDenm_Templates.ttcn

@@ -36,7 +36,7 @@ module LibItsDenm_Templates {
             template (present) DENM p_denMsg
         ) := {
             msgIn := p_denMsg,
-            receptionTime := ?
+            receptionTime := *
         }
         
         group utPrimitives {

ttcn/DENM/LibItsDenm_TestSystem.ttcn

@@ -104,7 +104,7 @@ module LibItsDenm_TestSystem {
              */
             type record DenmInd {
                 DENM msgIn,
-                TimestampIts receptionTime
+                TimestampIts receptionTime optional
             }
             with {
                 encode (msgIn) "LibItsDenm_asn1"