-add info about windows GnuPG bugzilla #43162

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@581775 13f79535-47bb-0310-9956-ffa450edef68

xdocs/bindownload.xml

@@ -152,6 +152,11 @@ using</p>
 % gpg --verify apache-ant-1.7.0-bin.tar.gz.asc
 </code></p>
 
+<p>A command line version of <a href="http://www.gnupg.org/download/">GnuPG</a> 
+is also available for Windows users.  Follow the 
+<a href="http://www.gnupg.org/(en)/documentation/faqs.html#q4.19">instructions</a> 
+to verify the package.</p>
+
 <p>Alternatively, you can verify the checksums on the files.  Unix
 programs called <code>md5</code>/<code>sha1</code> or
 <code>md5sum</code>/<code>sha1sum</code> are included in many unix