Fixed bad comparison with string literal (bobbens).

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@2354 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dshaligram  on October 7, 2007
NCUP5XFDP6PFYJSSDFLWX632FWMRODA26YYZ2LUVMAMYWTNFQTAQC
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