title: Fatal error: Cannot redeclare wp_is_mobile()
body: <p>I got this fatal error when I updated wordpress to Newest today. I use Barely Corporate theme.
  Line 126 is the last line in the code. Have anyone an Idea what this is? The theme do have a Responsive design.</p>
  
  <p><a href="http://themeforest.net/item/barely-corporate-responsive-wordpress-theme/93069?WT.ac=search_item&amp;WT.seg_1=search_item&amp;WT.z_author=ThemeBlvd" rel="noreferrer">http://themeforest.net/item/barely-corporate-responsive-wordpress-theme/93069?WT.ac=search_item&amp;WT.seg_1=search_item&amp;WT.z_author=ThemeBlvd</a></p>
  
  <p>Fatal error: Cannot redeclare wp_is_mobile() (previously declared in /home/chilinbk/public_html/kunde/tkh/wp-includes/vars.php:107) in /home/chilinbk/public_html/kunde/tkh/wp-includes/vars.php on line 126</p>
  
  <pre><code>if ( isset($is_mobile) )
      return $is_mobile;
  
  if ( empty($_SERVER['HTTP_USER_AGENT']) ) {
      $is_mobile = false;
  } elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Mobile') !== false // many mobile devices (all iPhone, iPad, etc.)
      || strpos($_SERVER['HTTP_USER_AGENT'], 'Android') !== false
      || strpos($_SERVER['HTTP_USER_AGENT'], 'Silk/') !== false
      || strpos($_SERVER['HTTP_USER_AGENT'], 'Kindle') !== false
      || strpos($_SERVER['HTTP_USER_AGENT'], 'BlackBerry') !== false
      || strpos($_SERVER['HTTP_USER_AGENT'], 'Opera Mini') !== false ) {
          $is_mobile = true;
  } else {
      $is_mobile = false;
  }
  
  return $is_mobile;
  </code></pre>
  
  <p>}</p>