CScatter - Small UI bug

[cecofuli]

Hello =)
as you can see, there is a small UI bug inside the CoronaScatter.

3ds max 2015 - Win7 - res 1080p

In the previous version, we had BBox Scattering.
Bounding box Scattering is, now, too long.

[michal_wirth]

thanks, will fix that