popover: Add missing nullable annotation
authorIan Douglas Scott <idscott@system76.com>
Tue, 28 Dec 2021 17:43:06 +0000 (09:43 -0800)
committerIan Douglas Scott <idscott@system76.com>
Tue, 28 Dec 2021 17:43:06 +0000 (09:43 -0800)
commit48d39c0a578107424f63cfdeb05154de5f90d9fe
tree7f73f3d3974211c2490311478150e8b441e4ea2e
parent0aad0535074780cd7c09430d89b48548e1ea6370
popover: Add missing nullable annotation

Fixes https://gitlab.gnome.org/GNOME/gtk/-/issues/4556.

Looks like the other `Popover` methods are have correct nullable
annotations.
gtk/gtkpopover.c