Fix previous change which was slightly broken - and make it less confusing, at the same time.
Fix previous change which was slightly broken - and make it less confusing, at the same time.

zaccharles/nodatime,BenJenkinson/nodatime,zaccharles/nodatime,zaccharles/nodatime,malcolmr/nodatime,zaccharles/nodatime,malcolmr/nodatime,malcolmr/nodatime,nodatime/nodatime,jskeet/nodatime,nodatime/nodatime,jskeet/nodatime,zaccharles/nodatime,malcolmr/nodatime,zaccharles/nodatime,BenJenkinson/nodatime