81720dba:
mmap(2): Fix a typo

PR: 252097
Reported by: Nick Frampton <nick.frampton@akips.com>

a1d78367:
mmap(2): Update .Dd missed in the last commit

(cherry picked from commit 81720dbab2a84669ec719149501b75ae78c3d4ee)
(cherry picked from commit a1d783675213798620550f4af137340458abe6c5)