Fixes for compiling without Lua. (Darshan, I hope I didn't break anything...)

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@1319 c06c8d41-db1a-0410-9941-cceddc491573

Created by  haranp  on April 16, 2007
XEESII7USBFCL5OZMNZBVJOI66HRL6BT7CQMAPKZNSLM7YUBBQHQC
Change contents