Refix [2484631], in a way that won't require changes to draining or

rotting attacks: Put the draining attack code back where it was, and instead explicitly check for a death-by-banishment when determining whether to skip chaos_killed_defender(). Sorry for any confusion.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@8342 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on January 8, 2009
S3AAI5UNOZ72DWBQ4QZQ2IODUI6ZC5X2RIPAPNZ7CPQCIAAT7EKQC
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