ariya/phantomjs — pull request #335 by detro (2012-10-31 10:40:31+00:00)
Title: Fixing compilation issue on Ubuntu

Reported [here](https://github.com/ariya/phantomjs/commit/402a8d9753395edffb4811aa1834ff31a051e27#commitcomment-2079231).
Conversion from `NULL` to `QVariant()` doesn't work
implicitly on Ubuntu.