Yoast/wordpress-seo — pull request #352 by imageinabox (2013-10-28 17:23:38+00:00)
Title: jQuery tabs code not checking

So the tabs code is always running even when the wpseo metabox isn't
shown. This just checks to see if the tabs screen is displayed before
checking the window hash and setting the default tab.

If other metabox use tabs this won't mess with them.