[gdk-pixbuf] tests: Move actually valid image out of fail/ folder

[Benjamin Otte <otte src gnome org>]

commit b38ead0fde3d9c5ea5dae510379d9333eaf16433
Author: Benjamin Otte <otte redhat com>
Date:   Mon Oct 12 15:20:14 2015 +0200

    tests: Move actually valid image out of fail/ folder
    
    Gimp and gdk-pixbuf load this image, so don't pretend in the testsuite
    that we can;t load it.

 .../valid.2.tga}                                   |  Bin 23679 -> 23679 bytes
 1 files changed, 0 insertions(+), 0 deletions(-)
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