Update patch to agreed by tstellar

ignatenkobrain:  tstellar_: https://bugs.freedesktop.org/attachment.cgi?id=92091
ignatenkobrain:  tstellar_: is it looks good for you ? ;)
tstellar_:  ignatenkobrain: That looks good.

Signed-off-by: Igor Gnatenko <i.gnatenko.brain@gmail.com>

http://people.freedesktop.org/~cbrill/dri-log/?channel=dri-devel&show_html=true&highlight_names=tstellar_%3Bignatenkobrain&date=2014-01-14