xf86-video-cirrus: Changes to 'master'

[Maarten Lankhorst]

 configure.ac     |    2 
 src/cir_shadow.c |  317 +++++++++++++++++++++++++++++++------------------------
 2 files changed, 181 insertions(+), 138 deletions(-)

New commits:
commit e2bf5b255611de267bc1c56b2fccf51268d28f3d
Author: Maarten Lankhorst <maarten.lankhorst at canonical.com>
Date:   Tue Jan 8 11:04:38 2013 +0100

    cirrus: release 1.5.2

commit bade70ce71ea26fae4f250f0bd1729dfb0d392df
Author: Maarten Lankhorst <maarten.lankhorst at canonical.com>
Date:   Tue Jan 8 11:00:33 2013 +0100

    cirrus: fix out of bounds access to shadowfb
    
    Perform the same bounds checking other drivers do. Thanks to Dave Gilbert for feedback on this patch.
    
    Signed-off-by: Maarten Lankhorst <maarten.lankhorst at canonical.com>