Define PLINT in standard way using int32_t if stdint.h is available. Otherwise define as int.  This change should solve C PLINT <--> Fortran integer*4 inconsistencies that have recently been found on 64-bit systems without causing any inconsistencies on 32-bit systems.
Define PLINT in standard way using int32_t if stdint.h is available.
Otherwise define as int.  This change should solve
C PLINT <--> Fortran integer*4
inconsistencies that have recently been found on 64-bit systems without
causing any inconsistencies on 32-bit systems.

svn path=/trunk/; revision=6192

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