Log Message:
gdk-pixbuf2*: update to 2.40.0

2.40.0 (stable)
===

 - Allow creating a GdkPixbuf instance without any property [Federico Mena
   Quintero, #91]

2.39.2 (development)
===

 - Add gdk_pixbuf_init_modules() for applications with GdkPixbuf loader
   modules in a separate directory [Bastien Nocera, bgo#786035]
 - Add subproject fallback for dependencies [Nirbheek Chauhan]
 - Handle large XPM without crashing [Bastien Nocera, #95]
 - Use the appropriate gdk-pixbuf-query-loaders on install [Emmanuele
   Bassi, #126]
 - Disable deprecation warnings introduced by GLib 2.62
 - Escape GIF version in error messages [Robert Ancell]
 - Use the appropriate fallback for libpng on Windows [Chun-wei Fan]
 - Render GIF frames on demand [Robert Ancell, #101]