Use ${_prefix}_VERSION} rather than ${_xprefix}_VERSION} in pkg_check_pkgconfig macro because the latter is not defined.  This fixes a FORCE_EXTERNAL_STATIC bug.
Use ${_prefix}_VERSION} rather than ${_xprefix}_VERSION} in
pkg_check_pkgconfig macro because the latter is not defined.  This
fixes a FORCE_EXTERNAL_STATIC bug.


svn path=/trunk/; revision=12063

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