gdk: Add an assertion
authorMatthias Clasen <mclasen@redhat.com>
Sun, 14 May 2023 11:46:44 +0000 (07:46 -0400)
committerMatthias Clasen <mclasen@redhat.com>
Sun, 14 May 2023 11:50:11 +0000 (07:50 -0400)
commit51ad2a55a8aa1e6278e76f8636653b0d9db784b4
treebdf0c5fdc1aae4e9ef01fdd1ef19f4e32cb6328d
parente50209a53544f67a14ec11f8e572aee9246a3e28
gdk: Add an assertion

We simply overwrite any previous region,
so assert that the field was NULL before.
gdk/gdktexture.c