Fix 2015315 by not even bothering to prompt for spells with the

SPFLAG_NOT_SELF flag.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@6492 c06c8d41-db1a-0410-9941-cceddc491573

Created by  j-p-e-g  on July 11, 2008
FNY62WM76UGY6IZQYRTRLSBLLUKUHL5N4CG5HQRSWTU2MYIXNJ5QC
Change contents