Add better feedback on piety gain command (^) in wizard mode.

(Resulting from the mysterious FR 1892989.)

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@3440 c06c8d41-db1a-0410-9941-cceddc491573

Created by  j-p-e-g  on February 15, 2008
MC5GWSF6I7TGB422CBRCP6IPX5SV36OX4LAXEE33C65GKCDI64IQC
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