Don't give away a shifter's identity post-mortem if it doesn't leave a

corpse, so as to keep the player wondering.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@9803 c06c8d41-db1a-0410-9941-cceddc491573

Created by  j-p-e-g  on May 23, 2009
TOAIO6CNCUVWSMA453Z2XT757LZBWJTPHB3QAHQ22UIFSU4PN36QC
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