Fix typo.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@4829 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on May 2, 2008
BMUEJLT4FDOBUKUQVWMNIBFM7WEAB26K6YRHIAY2RBVD6S5LJHQAC
Change contents