Monsters weren't picking up potions, fixed.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@1721 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dshaligram  on July 2, 2007
UUQ5U2OURPGWPHSHKJPLB6L4BWULX7VYCOUV6RNBIGALAZTWFHUQC
Change contents