Fixed problems associated with reading metafiles from stdin or specified via the -i flag.  This should fix the current crop of printing problems.
Fixed problems associated with reading metafiles from stdin or specified
via the -i flag.  This should fix the current crop of printing problems.

svn path=/trunk/; revision=1861

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