i18n update

set correct values for "lang" and "dir" when english "install.html" is substituted
for missing text in the selected language.

darcs-hash:20060728093913-9b6ab-376cdd98ba6c63597ff8ee25c84a4ba119f095cc.gz

install.php

@@ -98,7 +98,9 @@ header('Content-Type: text/html; charset=utf-8');
             if(@file_exists(DOKU_INC.'inc/lang/'.$LC.'/install.html')){
                 include(DOKU_INC.'inc/lang/'.$LC.'/install.html');
             }else{
+                print "<div lang=\"en\" dir=\"ltr\">\n";
                 include(DOKU_INC.'inc/lang/en/install.html');
+                print "</div>\n";
             }
         ?>
     </div>