Added ifdef HAVE_UNISTD_H, include <unistd.h>, required on RedHat 3.+
Added ifdef HAVE_UNISTD_H, include <unistd.h>, required on RedHat 3.+



OPENDAP/libdap,OPENDAP/libdap,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap,OPENDAP/libdap,OPENDAP/libdap4