Fixing a think-o with swapped information

Author: AaronBallman

clang/www/c_status.html

@@ -471,7 +471,7 @@ <h2 id="c11">C11 implementation status</h2>
     <tr>
       <td>Constant expressions</td>
       <td><a href="https://www.open-std.org/jtc1/sc22/wg14/www/docs/n1365.htm">N1365</a></td>
-      <td class="Clang 16" align="center">Full</td>
+      <td class="full" align="center">Clang 16</td>
     </tr>
     <tr>
       <td>Contractions and expression evaluation methods</td>