Changed orientation swapping code to not preserve aspect ratio if plsc->freeaspect is set.
Changed orientation swapping code to not preserve aspect ratio if
plsc->freeaspect is set.

svn path=/trunk/; revision=1433

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