Swap pl_setcontlabelformat and pl_setcontlabelparam so they are in alphabetical order.
Swap pl_setcontlabelformat and pl_setcontlabelparam so they are in
alphabetical order.

svn path=/trunk/; revision=3627

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