color/fontdialogbutton: Fix constructors
authorMatthias Clasen <mclasen@redhat.com>
Sun, 6 Nov 2022 13:12:02 +0000 (14:12 +0100)
committerMatthias Clasen <mclasen@redhat.com>
Sun, 6 Nov 2022 13:12:02 +0000 (14:12 +0100)
commit466db31aacc9bd5fb14953e010d62849dd465b28
treeec4ec2d6595a75abe6882573e3f27c2cc1811903
parentbaac6ef871b7a365b89ea8485ffd89f4226d6929
color/fontdialogbutton: Fix constructors

The arguments were meant to be nullable.
Make it so!

Fixes: #5321
gtk/gtkcolordialogbutton.c
gtk/gtkfontdialogbutton.c