xextproto: Changes to 'master'

[Keith Packard]

 Makefile.am |   10 +++
 shapestr.h  |    8 ++
 shmstr.h    |   66 +++++++++++++++++++++
 syncstr.h   |  184 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 268 insertions(+)

New commits:
commit 9d5e140111ef0e7e0c9d30d7e0acf8c43a248816
Author: Keith Packard <keithp at keithp.com>
Date:   Tue Nov 3 14:41:33 2009 -0800

    Allow old servers to build with new headers
    
    This provides header compatibility back to X server version 1.6 at
    least (that's all I tested).
    
    Signed-off-by: Keith Packard <keithp at keithp.com>
    Reviewed-by: Peter Hutterer <peter.hutterer at who-t.net>