Fixes: warning: variable 'req' set but not used [-Wunused-but-set-variable]
       by marking req _X_UNUSED
	Solution was discussed on xorg-devel ML
       Peter Hutter, Alan Coopersmith
        Re: [PATCH libX11 3/5] fix: warning: pointer targets in passing argument 2 of '_XSend' differ in signedness [-Wpointer-sign]

Signed-off-by: harms wharms@bfs.de

When XCB owns the X socket, dpy->request is not updated, so
NextRequest() and XNextRequest() return the wrong value. There's
nothing we can do to fix NextRequest() while retaining ABI compat,
but change XNextRequest() to grab the socket back from XCB,
updating dpy->request.
Signed-off-by: Owen W. Taylor <otaylor@fishsoup.net>
Reviewed-by: Uli Schlachter <psychon@znc.in>
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

Backported-to-NX-by: Ulrich Sibiller <uli42@gmx.de>:

Added #ifdefs to be aware of changes regarding XCB in case we later
switch to XCB.

 This has already been started while replacing copyright info in file
 headers and has now been completed with this commit.

old-arch cleanup: Drop CRAY support (i.e., drop code related to CRAY, _CRAY, WORD64, WORD64ALIGN, MUSTCOPY, UNSIGNEDBITFIELDS definitions).

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository