Merge branch 'pragma-once' into 'main'
authorMatthias Clasen <mclasen@redhat.com>
Fri, 31 Mar 2023 23:52:01 +0000 (23:52 +0000)
committerMatthias Clasen <mclasen@redhat.com>
Fri, 31 Mar 2023 23:52:01 +0000 (23:52 +0000)
Convert headers to #pragma once

See merge request GNOME/gtk!5759


Trivial merge