#66 Can't scroll radical table grabbing the scrollbar

[Federico Schwindt]

Gwaei: 3.6.2 + kanjipad bg colour patch
OS: OpenBSD 5.2/amd64
Gtk: 3.6.4

As per subject. It works if you click on the arrows or where the empty part of the bar is but if you click and drag the bar up or down it will misbehave.