Define PL_MAX_CMAP1CP to be the max number of control points, now set at 256.
Define PL_MAX_CMAP1CP to be the max number of control points, now set at 256.

svn path=/trunk/; revision=3566

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