Typo fix.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@9679 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on April 22, 2009
BXTYWFMJDN6DZVF5TL3EWBUGNHA6VG5VP7QOCUZLAPQK4TSYQF6QC
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