Fix the check for the player's being undead when giving mutations from

Jiyva, and avoid "nothing has changed" message spam under those circumstances.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@10292 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on July 18, 2009
Q4AG4UGLKBPH5KGVHHUPSTXQDLKDOBLQYYHYDJNNOJDZG3Y3PWXQC
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