Fixed a macro to use sed in one place rather than awk -- seems I was relying on a non-standard awk feature.
Fixed a macro to use sed in one place rather than awk -- seems I was
relying on a non-standard awk feature.

svn path=/trunk/; revision=1113

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