Also add "cyan" to weird_colour().

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@4925 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on May 7, 2008
FPXJYCHNDUTHD2O25HUWRXDJNTMILLBN5KEUWEHD4AHMWH73TFCQC
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