Fixed problem with sending output to stdout that was causing prints from a plxframe to fail.
Fixed problem with sending output to stdout that was causing prints from
a plxframe to fail.

svn path=/trunk/; revision=1753

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