[2742178] Don't save when closing the window if the player is dead, allowing them to reload the save and still be alive.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@9617 c06c8d41-db1a-0410-9941-cceddc491573

Created by  ennewalker  on April 18, 2009
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