admin/lang.php needs fix.

Now admin lang.php writes "?\>" at the bottom of a language file instead of writting "?>".
This stops moodle because of the illegal php syntax.
So ... we need to fix admin/lang.php as below.

Index: lang.php
===================================================================
RCS file: /cvsroot/moodle/moodle/admin/lang.php,v
retrieving revision 1.84
diff -u -r1.84 lang.php
— lang.php 9 Jan 2007 09:22:16 -0000 1.84
+++ lang.php 9 Jan 2007 18:48:39 -0000
@@ -542,7 +542,7 @@
}
}
}

• fwrite($f,"\n?\>\n");
  + fwrite($f,"\n?>\n");
  fclose($f);
  return true;
  }