fill in that little square that the scrollbars form

[corvid]

I don't know this drawing/damage code well enough to know whether this
is the best way to go about it, but it appears to work.

[Sebastian Geerken]

Post by corvid
I don't know this drawing/damage code well enough to know whether this
is the best way to go about it, but it appears to work.

Looks correct to me. Feel free to commit.

Sebastian