mesa: Changes to 'master'

[Haihao Xiang]

 src/mesa/drivers/dri/common/dri_util.c |    3 +++
 1 file changed, 3 insertions(+)

commit diffs at http://gitweb.freedesktop.org/?p=mesa/mesa.git;a=summary

New commits:
commit 2407e48f2805e27e76e2e1d7083926c4077d9032
Author: Xiang, Haihao <haihao.xiang at intel.com>
Date:   Wed Dec 5 10:31:35 2007 +0800

    Don't Swap buffer if a DRIDrawable is entirely obscured
    by another window.