For ocaml examples only use rpath link command if USE_RPATH is ON.
For ocaml examples only use rpath link command if USE_RPATH is ON.

svn path=/trunk/; revision=12117

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