Jonathan Sauer updated is_base_of traits status

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@128349 91177308-0d34-0410-b5e6-96231b3b80d8

www/type_traits_design.html

@@ -255,7 +255,7 @@ changed.  Please see:
 
 <tr>
 <td><tt>is_base_of&lt;T, U&gt;</tt></td>
-<td bgcolor="#FF5965"><tt>__is_base_of(T, U)</tt></td>
+<td bgcolor="#80FF80"><tt>__is_base_of(T, U)</tt></td>
 </tr>
 
 <tr>