giant carrying boulder dies while trapped in a pit (trunk only)

<Someone> wrote:
> "You kill the invisible storm giant.  The boulder fills a pit."
> [...] why did I find the corpse *lying on* and not *buried in* the
> former pit?

Ensure that the corpse ends up buried in that case.

src/mklev.c

@@ -791,7 +791,7 @@ skip0:
 		if(!rn2(20))
 		    (void) mkcorpstat(STATUE, (struct monst *)0,
 				      (struct permonst *)0,
-				      somex(croom), somey(croom), TRUE);
+				      somex(croom), somey(croom), CORPSTAT_INIT);
 		/* put box/chest inside;
 		 *  40% chance for at least 1 box, regardless of number
 		 *  of rooms; about 5 - 7.5% for 2 boxes, least likely