Fixed maddeningly obscure crash on Windoze (Marc Thoben).

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@1936 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dshaligram  on July 27, 2007
L3AEV6WX7SYKWPUJQDZRN7SDLMB2WKCYXKWHJBQWVUAO37T76PLQC
Change contents