mini fix for color assignments in genespca
mini fix for color assignments in genespca

From: Federico Marini <marinif@uni-mainz.de>

git-svn-id: 81be566fd5bffc050071de84528a21d500a38bd5@117833 bc3139a8-67e5-0310-9ffc-ced21a209358

federicomarini/pcaExplorer