Minor fix: actor::rot()'s third parameter is an int, not a bool.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@8347 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on January 8, 2009
ASKESLA7JABJXMBJJM75ZCW5JYTC6WTP3TOX5COWVCNPXEA4NT6QC
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