gpic: shaded does not work with boxrad

[George Sicherman]

In Gpic 1.18.1.4 a box with rounded corners cannot be filled
with color.

Here is a simple example.  Both boxes are outlined in blue.
Only the one with square corners is filled with orange.

.\" groff -p
.sp |1i
.PS
box at -2,0 shaded "orange" outline "blue"
box rad 0.1 at 0,0 shaded "orange" outline "blue"
.PE

-- 
George Sicherman
address@hidden
+1 732 692 8150
Sent with Mutt, the thoroughbred of mail clients.