Changed order of build and install tree binary directories, such that make check picks the pltcl in the build tree even when the package is installed in the system.  Also, changed @prefix@ to @exec_prefix@, because this is the true prefix for /bin (as defined by configure).
Changed order of build and install tree binary directories, such that make
check picks the pltcl in the build tree even when the package is installed
in the system.  Also, changed @prefix@ to @exec_prefix@, because this is the
true prefix for /bin (as defined by configure).

svn path=/trunk/; revision=5356

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