Fixing bug where all users were flagged as being from WordPress.com.

BOOL isn't initialized to zero when it's a variable within a method(it gets initialized to zero when it's an instance variable though):
![32 bit](https://cloud.githubusercontent.com/assets/437043/3548398/25d459b6-08ad-11e4-9d82-a0fbeb9def9e.png)

Fixes #1956