Added include for NCRequestHandler so that we could use it to access the run-time param PromoteByteToShort.
Added include for NCRequestHandler so that we could use it to access the run-time param PromoteByteToShort.

OPENDAP/netcdf_handler,OPENDAP/netcdf_handler,OPENDAP/netcdf_handler,OPENDAP/netcdf_handler,OPENDAP/netcdf_handler