Fix chaotic weapon checks.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@7959 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on December 24, 2008
PP642B7OPNJ4WKF7X3UD6AP6OQYVM2C6NF73US3FC5MQ7JJZ3S7QC
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