Fixed to properly update driver when cmap state is changed.  Contributed by Radey Shouman.
Fixed to properly update driver when cmap state is changed.  Contributed
by Radey Shouman.

svn path=/trunk/; revision=1267

FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot