www/get_started.html: Fix a phrase, "in the *build* directory* in the instructions of Visual Studio. Thanks to Andreas Bittel to point it out.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135907 91177308-0d34-0410-b5e6-96231b3b80d8

Author: chapuni

www/get_started.html

@@ -165,7 +165,7 @@ <h3 id="buildWindows">Using Visual Studio</h3>
         more information on other configuration options for cmake.</li>
 </li>
     <li>The above, if successful, will have created an LLVM.sln file in the
-       llvm directory.
+       <tt>build</tt> directory.
   </ul>
   <li>Build Clang:</li>
   <ul>