[PATCH] Fix XNextRequest() after direct usage of XCB

[Owen Taylor]

Uli Schlachter wrote:

> >  unsigned long XNextRequest(Display *dpy)
> >  {
> > +    unsigned long next_request;
> > +    LockDisplay(dpy);
> > +    next_request = _XNextRequest(dpy);
> > +    UnlockDisplay(dpy);
> > +
> >      return (NextRequest(dpy));
> 
> Unused variable "next_request". Did you really mean to write the function
> like this instead of also changing the return statement?

Oops - it does actually work, because the _XNextRequest() updates display->request
as a side effect, so I wasn't dreaming that my testing worked, but still
embarrassing ;-) Sent a newversion.

- Owen