Log Message:
gdk-pixbuf2: Update to 2.38.2

GdkPixbuf 2.38.2 (stable)
Changes since 2.38.1:

 - Add annotations to disable deprecation warnings in our public API
   caused by GLib deprecating GTimeVal
 - Handle truncated or invalid XPM files [Bastien Nocera, #95]
 - Avoid a configuration warning with Meson >= 0.50