libmsc: use GSM411_RP_CAUSE_MO_NUM_UNASSIGNED as return value
Instead of hardcoded value of 1 plus comment of the right hand side of
the statement.
Change-Id: I865bdbd6da17a0389044a8e749deeeebcb9cae06
diff --git a/openbsc/src/libmsc/smpp_openbsc.c b/openbsc/src/libmsc/smpp_openbsc.c
index 1671a62..ec9dda3 100644
--- a/openbsc/src/libmsc/smpp_openbsc.c
+++ b/openbsc/src/libmsc/smpp_openbsc.c
@@ -559,7 +559,7 @@
esme = smpp_route(g_smsc, &dst);
if (!esme)
- return 1; /* unknown subscriber */
+ return GSM411_RP_CAUSE_MO_NUM_UNASSIGNED;
return deliver_to_esme(esme, sms, conn);
}