Fix up setting physical coordinates in wxwidget drivers so it uses the actual window sizes. 
Fix up setting physical coordinates in wxwidget drivers so it uses the actual window sizes. 


svn path=/trunk/; revision=12272

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