Unreviewed, rolling out r138944.
http://trac.webkit.org/changeset/138944
https://bugs.webkit.org/show_bug.cgi?id=106223

It made 28 tests crash (Requested by Ossy on #webkit).

Patch by Sheriff Bot <webkit.review.bot@gmail.com> on 2013-01-07

* plugins/qt/PluginPackageQt.cpp:
(WebCore::PluginPackage::fetchInfo):
(WebCore::PluginPackage::load):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@138948 268f45cc-cd09-0410-ab3c-d52691b4dbfc