Moved chunks_autopickup from 4-i to 4-a.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@5942 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dploog  on June 18, 2008
A27GVDTSSQN53HPWPCUG4GTHOWO3BX5Y5RCAHHFSPMOBRO2ILZSQC
Change contents