am a36253b8: fix viewport width variable by using underscore instead of hyphen

  # END if/else devsite ?>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<meta name="viewport" content="width=<?cs

  if:page.viewport-width ?><?cs

    var:page.viewport-width ?><?cs

  if:page.viewport_width ?><?cs

    var:page.viewport_width ?><?cs

  else ?>device-width<?cs /if ?>" />

<?cs

  if:page.metaDescription ?>