[1923246] Item pickup marker moves itself when the item it's guarding is apported.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@3976 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dshaligram  on March 31, 2008
HWTL2S7OVOJRJAAN66ZTT26HJDAOIW6RKAG5NFMNZJU63CTU2U5AC
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