xf86-video-xgi: Changes to 'master'

[Emil Velikov]

 configure.ac  |    2 
 src/xgi.h     |    4 -
 src/xgi_dri.c |  138 ----------------------------------------------------------
 src/xgi_dri.h |    5 --
 4 files changed, 2 insertions(+), 147 deletions(-)

New commits:
commit 986b2fd0819b34c8291a4e33bee21440db2b4988
Author: Emil Velikov <emil.velikov at collabora.com>
Date:   Mon Jul 17 11:50:42 2017 +0100

    xf86-video-xgi: remove the GlxSetVisualConfigs stub and friends
    
    The function was an empty since 2008 at least. Remove it alongside the
    unused GLX visuals code.
    
    With this all the GL/GLX dependencies in the driver are gone.
    
    Cc: Connor Behan <connor.behan at gmail.com>
    Cc: Adam Jackson <ajax at redhat.com>
    Signed-off-by: Emil Velikov <emil.velikov at collabora.com>