Use libgdk-pixbuf-2.0-dev when available

Author: tintou

debian/control

@@ -5,7 +5,7 @@ Maintainer: elementary, Inc. <builds@elementary.io>
 Build-Depends: debhelper (>= 10.5.1),
                desktop-file-utils,
                gettext,
-               libgdk-pixbuf2.0-dev,
+               libgdk-pixbuf-2.0-dev | libgdk-pixbuf2.0-dev,
                libgnome-desktop-3-dev,
                libgranite-dev,
                libgtk-3-dev,