Rename static function to fit the style guide.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@5027 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on May 13, 2008
7DMJBPOSXMAQZNNM6DGITPUESWFC5N3AAG2PYULCGGFVYQWGIC2AC
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