jitsi/jitsi — pull request #45 by dpocock (2014-08-04 13:44:18+00:00)
Title: Fix reference to transferCallButton

As discussed on the mailing list, there is a NullPointerException if the transferCallButton is supposed to be hidden by

```
net.java.sip.communicator.impl.gui.main.call.HIDE_CALL_TRANSFER_BUTTON=true
```

This pull request fixes the problem.