Fixed bug encountered when changing screen modes -- FreeRaster call was given the wrong screen dimensions.
Fixed bug encountered when changing screen modes -- FreeRaster call was
given the wrong screen dimensions.

svn path=/trunk/; revision=1308

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