Fix a comment typo.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@3062 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on December 13, 2007
57CTUSCSSFLCH3ENOD7QZ3NPUKGM5IK26POZKHC4LY2CH3FU3ZQQC
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