Oops, fix bad messages when Yred grants an undead servant.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@8427 c06c8d41-db1a-0410-9941-cceddc491573

Created by  zelgadis  on January 12, 2009
6BQTNWYWBFYML52LRAMGNVMMUBOEPBMRXRZDGREEIIFUC7FC3BFQC
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