bug#5103: Hang in url-retrieve-synchronously on w32

[Lennart Borgman]

This code seems to hangs on url-retrieve-synchronously.

;; (nxhtml-get-release-revision)
(defun nxhtml-get-release-revision ()
  (let* ((all-rev-url "http://code.launchpad.net/%7Enxhtml/nxhtml/main";)
         (url-buf (url-retrieve-synchronously all-rev-url))
         )
    (message "%S" url-buf)
    ))

In GNU Emacs 23.1.50.1 (i386-mingw-nt5.1.2600)
 of 2009-10-15
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (3.4) --no-opt --cflags
-Ic:/g/include -fno-crossjumping'