Fixed Mac build.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@1443 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dshaligram  on May 9, 2007
F5CFOBVUGTKZVB6P76RYSNQBWTP4DKQCURLXR2ZIXT4DOMYW423AC
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