Updated to build plplot-gnome2.pc and plplotd-gnome2.pc.
Updated to build plplot-gnome2.pc and plplotd-gnome2.pc.

svn path=/trunk/; revision=6237

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