merge libXext 1.3.5, libbXmu 1.1.4, libXrender 1.0.1, libxkbfile 1.1.1 and
libxshmfence 1.3.1.

merge libXext 1.3.2

revert local changes that are no longer necessary and infact hurt the build.
now we're back to being identical to upstream.

merge cornflakes

merge libXext 1.1.2

use the new XextErrorHandler type, specified in xextproto now.

initial import of libXext-1.0.4