use new libosmocore gsm_23_003.h for IMEI/IMSI length
... rather than our private definitions everwhere. As an added benefit,
gprs_gsup_messages.h is now free of any header dependencies within
openbsc.
diff --git a/openbsc/src/osmo-bsc_nat/bsc_ussd.c b/openbsc/src/osmo-bsc_nat/bsc_ussd.c
index e080905..2f68381 100644
--- a/openbsc/src/osmo-bsc_nat/bsc_ussd.c
+++ b/openbsc/src/osmo-bsc_nat/bsc_ussd.c
@@ -400,7 +400,7 @@
if (parsed->bssap != BSSAP_MSG_DTAP)
return 0;
- if (strlen(con->filter_state.imsi) >= GSM_IMSI_LENGTH)
+ if (strlen(con->filter_state.imsi) > GSM23003_IMSI_MAX_DIGITS)
return 0;
hdr48 = bsc_unpack_dtap(parsed, msg, &len);