Change targeting prompt if target_unshifted_dirs is set.

Show targeting prompt when exiting targeting help.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@1459 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dshaligram  on May 11, 2007
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