Eliminated #undef of _POSIX_SOURCE on Crays -- no longer needed now that caddr_t is defined in plConfig.h (if not typedef'ed by <sys/types.h>).
Eliminated #undef of _POSIX_SOURCE on Crays -- no longer needed now that
caddr_t is defined in plConfig.h (if not typedef'ed by <sys/types.h>).

svn path=/trunk/; revision=1227

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