Make Lugonu properly accept collateral kills again.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@5806 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on June 13, 2008
MKRJCNUW7KUBBNAX4Y7LHIV7WBXKVTWXTN6A5NUUFSG32XYTZBZQC
Change contents