Tiles fix to turn off mouse cursor once x-mode is done.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@6692 c06c8d41-db1a-0410-9941-cceddc491573

Created by  ennewalker  on July 26, 2008
JC6BEAFXLIHKITKL2AGBLHMJKMFDUWAWGJU2KPQTLSRCKN43B2UQC
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