Set aimed_at_feet to true if source == target. Fixed monsters resisting when

they cast Teleport Self.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@7998 c06c8d41-db1a-0410-9941-cceddc491573

Created by  zelgadis  on December 27, 2008
NEBHNUSRRR2MFLAJNV4YH34TCSWHBXMHB3VYXMQQPTTECDZK3DYQC
Change contents