Update clang web pages with respect to Windows

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86200 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/www/get_started.html b/www/get_started.html
index 86f6cef..a1e9b0b 100644
--- a/www/get_started.html
+++ b/www/get_started.html
@@ -168,7 +168,8 @@
   <li>Run cmake to generate the Visual Studio solution and project files:</li>
   <ul>
     <li><tt>cd ..</tt>  (Change directory back to the llvm top.)</li>
-    <li><tt>cmake .</tt></li>
+    <li>If you are using Visual Studio 2005:  <tt>cmake .</tt></li>
+    <li>Or if you are using Visual Studio 2008:  <tt>cmake -G "Visual Studio 9 2008" .</tt></li>
     <li>The above, if successful, will have created an LLVM.sln file in the
        llvm directory.
   </ul>