There are already problems with building LLVM under VS2005, and it's
quite old now. Update the documentation to reflect this, and direct
people to use VS2008 or newer.

llvm-svn: 144818
diff --git a/llvm/docs/CMake.html b/llvm/docs/CMake.html
index 087d693..c822ed7 100644
--- a/llvm/docs/CMake.html
+++ b/llvm/docs/CMake.html
@@ -145,7 +145,7 @@
       text. Generator's names are case-sensitive. Example:</p>
 
     <div class="doc_code">
-      <p><tt>cmake -G "Visual Studio 8 2005" path/to/llvm/source/root</tt></p>
+      <p><tt>cmake -G "Visual Studio 9 2008" path/to/llvm/source/root</tt></p>
     </div>
 
     <p>For a given development platform there can be more than one