left_main.php requires 24hr clock update too

src/left_main.php

@@ -972,7 +972,7 @@ echo "\n\n" . html_tag( 'table', '', 'left', '', 'border="0" cellspacing="0" cel
 if ($date_format != 6) {
     /* First, display the clock. */
     if ($hour_format == 1) {
-        $hr = 'G:i';
+        $hr = 'H:i';
         if ($date_format == 4) {
             $hr .= ':s';
         }
@@ -1121,4 +1121,4 @@ sqimap_logout($imapConnection);
 
 ?>
 </td></tr></table>
-</body></html>
+</body></html>