Fixing issue where the X map mode would incorrectly move the screen after viewing help.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@4402 c06c8d41-db1a-0410-9941-cceddc491573

Created by  ennewalker  on April 19, 2008
GNMWTU7UZIYIQ6D4AJOEWT7F4MSB4LXJ24Y66FFOZ2GADW3ZMG4QC
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