libX11: Changes to 'master'

[Peter Hutterer]

 specs/libX11/AppC.xml |   21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

New commits:
commit 663f47075fe67bab4f99bc5d186c49175d4a4334
Author: Alan Coopersmith <alan.coopersmith at oracle.com>
Date:   Sun Jan 1 20:57:58 2017 -0800

    specs/libX11: Update Portability Considerations for the 21st century
    
    Signed-off-by: Alan Coopersmith <alan.coopersmith at oracle.com>
    Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>