Push empty pixbuf to force repaint of viewer
Push empty pixbuf to force repaint of viewer

Otherwise the message that the photo isn't available will never be painted

Signed-off-by: Jens Georg <mail@jensge.org>

https://bugzilla.gnome.org/show_bug.cgi?id=766338

abrauchli/shotwell,abrauchli/shotwell,abrauchli/shotwell