Fix AssociationForeignFieldNames for many2many relations
Fix AssociationForeignFieldNames for many2many relations

KevinSjoberg/gorm,seatgeek/gorm,KevinSjoberg/gorm,d4l3k/gorm,senseobservationsystems/gorm,ch3lo/gorm,trigrass2/gorm,NOX73/gorm,sunfmin/gorm,Acidburn0zzz/gorm,seatgeek/gorm,ivpusic/gorm,sdhjl2000/gorm,acdgfh/gorm,jaytaylor/gorm,ngorm/ngorm,gernest/ngorm,sulnedinfind/gorm,aspcartman/gorm,aspcartman/gorm,postmates/gorm,ivpusic/gorm,jmptrader/gorm,kimiby/gorm,senseobservationsystems/gorm,d4l3k/gorm,jinzhu/gorm,lscieux/gorm,sdhjl2000/gorm,NOX73/gorm,arthurpro/gorm,sidorenko-ruslan/gorm,wallclockbuilder/gorm,Twister915/gorm,lscieux/gorm,awakenetworks/gorm,wallclockbuilder/gorm,jaytaylor/gorm,jmptrader/gorm,ModelRocket/gorm,ulule/gorm,bpizzi/gorm,yibin001/gorm,awakenetworks/gorm,andviro/gorm,ulule/gorm,Acidburn0zzz/gorm,sulnedinfind/gorm,nkovacs/gorm,postmates/gorm,jinzhu/gorm,arthurpro/gorm,ch3lo/gorm,andviro/gorm,pariz/gorm,pariz/gorm,sidorenko-ruslan/gorm,nkovacs/gorm,kimiby/gorm,Twister915/gorm,trigrass2/gorm,bpizzi/gorm,yibin001/gorm,ModelRocket/gorm,sunfmin/gorm,acdgfh/gorm