glamor: Changes to 'master'

[Zhigang Gong]

 src/glamor_pixmap.c |    4 ++++
 1 file changed, 4 insertions(+)

New commits:
commit 0bf74791b93cd6a96ef0ba95c0e17bcf9aba5834
Author: Zhigang Gong <zhigang.gong at linux.intel.com>
Date:   Fri Sep 27 05:25:54 2013 +0800

    Shoud return null subpixmap if we fail to get a valid map address.
    
    The patch is prepared by Raul Fernandes.
    
    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=86693
    Signed-off-by: Zhigang Gong <zhigang.gong at linux.intel.com>