[2021074] Tiles cursor improvements.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@6691 c06c8d41-db1a-0410-9941-cceddc491573

Created by  ennewalker  on July 26, 2008
PEZFWKRHDHV4UJTPK5XJZ3CGTZ3LPTDYSPTYBENLQ7VRSP7YFSIQC
Change contents