Rename poly.c-qh_gethash.patch and remove poly.c

html/qh-get.htm

@@ -59,7 +59,7 @@ width="100" height="100"></a> Qhull Downloads</h1>
         See <a href=http://www.qhull.org/news/#bugs>Bugs</a> [Apr 2008] for a patch.
        </p>
    </li>
-        <li><a href="http://www.qhull.org/download/qhull-2009.1.1.tgz">Download: Qhull 2009.1.1 for Unix</a> (725K)
+        <li><a href="http://www.qhull.org/download/qhull-2009.1.1.tar.gz">Download: Qhull 2009.1.1 for Unix</a> (725K)
         <p>Type: C source code for Unix systems</p>
         <p>Patch release of Qhull 2009.1 with Autoconf/Automake/Libtool
         support [R. Laboissiere].  Fixed negative result of qh_gethash.