Make Xom's amusement at collateral damage take good neutral monsters

into account.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@5154 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on May 20, 2008
JN7EPOAE37MRXCQ5KO4LCMX76PFMZD6BHWJSQ3VHAVGRMJX6WKIQC
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