graphics/wayland: update to 1.19.0
- Fix wl_client_get_credentials [1]
Changes: https://gitlab.freedesktop.org/wayland/wayland/compare/1.18.0...1.19.0
PR: 246189 [1]
Submitted by: Greg V [1]
Approved by: manu
Differential Revision: https://reviews.freebsd.org/D28399