Attempt to fix [2498635]: Use memset() instead of bzero().

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@8406 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on January 10, 2009
HLFZZ364UJQMTDWJE4EHPXRDM7RL3RI2J7XZMHILFYEX3W5UU5QQC
Change contents