xf86-video-mga: Changes to 'master'

[Christian Toutant]

 src/mga_driver.c |   56 +++++++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 48 insertions(+), 8 deletions(-)

New commits:
commit 644ba5d11049e63ea61b5cc4fb889b0f840965ff
Author: Christian Toutant <ctoutant at matrox.com>
Date:   Wed Dec 7 15:42:39 2011 -0500

    Add support for Video Memory greater then 8M
    
    Expand memory mapping of framebuffer from 8 to 16MB
    
    Fix segfault on redhat distibution
    
    Signed-off-by: Christian Toutant <ctoutant at matrox.com>