Add a yes_or_no prompt if you attempt to leave the Dungeon and picked up

the Orb at one point, but are not carrying it now.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@10320 c06c8d41-db1a-0410-9941-cceddc491573

Created by  j-p-e-g  on July 19, 2009
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