Fixes 0-index issue with link preloader as per #988
Fixes 0-index issue with link preloader as per #988

fk/gatsby,0x80/gatsby,0x80/gatsby,gatsbyjs/gatsby,ChristopherBiscardi/gatsby,fabrictech/gatsby,chiedo/gatsby,danielfarrell/gatsby,0x80/gatsby,gatsbyjs/gatsby,mingaldrichgan/gatsby,gatsbyjs/gatsby,fabrictech/gatsby,chiedo/gatsby,Khaledgarbaya/gatsby,Khaledgarbaya/gatsby,ChristopherBiscardi/gatsby,okcoker/gatsby,okcoker/gatsby,mingaldrichgan/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,fk/gatsby,mickeyreiss/gatsby,chiedo/gatsby,danielfarrell/gatsby,gatsbyjs/gatsby,Khaledgarbaya/gatsby,mickeyreiss/gatsby,mickeyreiss/gatsby,ChristopherBiscardi/gatsby,fk/gatsby,okcoker/gatsby,fabrictech/gatsby,danielfarrell/gatsby,mingaldrichgan/gatsby,ChristopherBiscardi/gatsby