Improve  the Getting Started and Hacking web pages, patch by
John Thompson!


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79518 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/www/hacking.html b/www/hacking.html
index 4555322..a1833a2 100644
--- a/www/hacking.html
+++ b/www/hacking.html
@@ -136,6 +136,13 @@
   Python, which must be installed.  Find Python at:
   <a href="http://www.python.org/download">http://www.python.org/download</a>.
   Download the latest stable version (2.6.2 at the time of this writing).</p>
+  
+  <p>The GnuWin32 tools are also necessary for running the tests.
+  (Note that the grep from MSYS or Cygwin doesn't work with the tests
+  because of embedded double-quotes in the search strings.  The GNU
+  grep does work in this case.)
+  Get them from <a href="http://getgnuwin32.sourceforge.net">
+  http://getgnuwin32.sourceforge.net</a>.</p>
 
   <!--=====================================================================-->
   <h2 id="patches">Creating Patch Files</h2>