Fixed bug with return type of levitate() (hopefully without adding new bugs.)

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@1278 c06c8d41-db1a-0410-9941-cceddc491573

Created by  haranp  on April 10, 2007
PM2AFCUMNJD4UBWQ4GQPETHSE4T2C75JB5B4RHN3DBD6KTX3VBLQC
Change contents