If monsters::hurt() is called on a monster that's already dead, but

cleanup_dead is true, do the cleanup.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@8336 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on January 8, 2009
JM36UF5EFWQLT44YSLFAUM7IGILCC6WZHOBJOEL3HWIXGYLJRRXAC
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