Fix bulk result data on 2.4.
Fix bulk result data on 2.4.

hexadecy/mgo,Yottaa/mgo.v2,deafgoat/mgo,gabrielrussell/mgo,DroiTaipei/mgo,Yottaa/mgo.v2,deafgoat/mgo,gabrielrussell/mgo,hexadecy/mgo,go-mgo/travis-test,hexadecy/mgo,hexadecy/mgo,deafgoat/mgo,DroiTaipei/mgo,gabrielrussell/mgo,Yottaa/mgo.v2,deafgoat/mgo,DroiTaipei/mgo,go-mgo/travis-test,go-mgo/travis-test,Yottaa/mgo.v2,DroiTaipei/mgo,go-mgo/travis-test,gabrielrussell/mgo