Florian Müllner ff14ed5ad9 compositor: Update outdated URL
The file was moved a while ago. Update the link to the new location,
and specify a particular tag instead of master to make sure this
doesn't happen again.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1930>
2021-07-18 23:14:16 +02:00
..
2021-07-16 18:17:04 +02:00