properly free parsed asn.1 structure before N-UNITDATA.ind completes

src/tsl_tco.c

@@ -86,6 +86,9 @@ int tcap_tco_n_unitdata_ind(struct tcap_transport_entity *se, struct msgb *msg)
 		break;
 	}
 
+	/* Release the parsed structure */
+	asn_DEF_TCMessage.free_struct(&asn_DEF_TCMessage, tcmsg, 0);
+
 	return rc;
 }