Fixed an error in AttrTable::is_global_attribute() where the function did not always return a value.
Fixed an error in AttrTable::is_global_attribute() where the function did not
always return a value.

M    AttrTable.cc


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