Impose the same MAX_ASPA_SPAS_COUNT limit onto the merged APSA sets that
are sent to the RDE.
The merged ASPA table could in theory become so big that the imsg framework
fails. So limit the merged ASPA set to the same MAX_ASPA_SPAS_COUNT as
the aspa-set { } in the main config and the RTR ASPA PDUs.
Log a warning when a ASPA entry is skipped because of this limit.
There is nothing persisted so the warning will be repeated whenever there
is an update. Since it is highly unlikly that such an big ASPA will ever
exists this is good enough for now.
OK tb@
In merge_aspa_set() do the MAX_ASPA_SPAS_COUNT check the same way it is
done in the rest of the code and by doing so fix a harmless off by one
error.
OK tb@
