drqs-110829374: 'bdlstat_moment.h': Small rework for 'bdedox' conversion.
drqs-110829374: 'bdlstat_moment.h': Small rework for 'bdedox' conversion.

bloomberg/bde,che2/bde,che2/bde,bloomberg/bde,che2/bde,bloomberg/bde,bloomberg/bde,bloomberg/bde,che2/bde