Refix charm check so interrupt is not fired for monsters not in view.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@1523 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dshaligram  on June 3, 2007
7Y26W23LYFDU2XAMJF2XOIIQA2EEMGHG2YN72QRVN2UCDUVK3GDQC
Change contents