[2771954] Fixing spell key reassign menu, which no longer allowed reassignment and only showed descriptions. This is a partial revert of r9589.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@9619 c06c8d41-db1a-0410-9941-cceddc491573

Created by  ennewalker  on April 18, 2009
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