perf maps: Use maps__nr_maps() instead of open coded maps->nr_maps

To use the existing accessor and be consistent.

Signef-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2023-04-18 17:45:34 -03:00
commit a07dacad8a