Patch to configure.ac - fixed the CHECKSUMS_DEFINED problem from yesterday's check in.
Patch to configure.ac - fixed the CHECKSUMS_DEFINED problem from yesterday's check in.

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