Fix potential div0 crash
gdk_monitor_get_geometry() may return 0-size, and leads to crash: https://bugzilla.redhat.com/show_bug.cgi?id=1941627
Signed-off-by: Marc-André Lureau marcandre.lureau@redhat.com
gdk_monitor_get_geometry() may return 0-size, and leads to crash: https://bugzilla.redhat.com/show_bug.cgi?id=1941627
Signed-off-by: Marc-André Lureau marcandre.lureau@redhat.com