gosrc: Use https to get list of valid TLDs.
gosrc: Use https to get list of valid TLDs.

It seems like a good idea to use https rather than http when fetching the list of TLDs.
rjeczalik/gddo,chilts/gddo,nickrobinson/gddo,jeweljar/gddo,marcusolsson/gddo,SDGophers/gddo,marcusolsson/gddo,margaery/gddo,golang/gddo,sourcegraph/gddo,landaire/gddo,makhov/gddo,shopkeep/gddo,zaphod-concur/gddo,tomheng/gddo,tomheng/gddo,tomheng/gddo,SDGophers/gddo,segmentio/gddo,jeweljar/gddo,chilts/gddo,shopkeep/gddo,gdey/gddo,zaphod-concur/gddo,rjeczalik/gddo,marcusolsson/gddo,chilts/gddo,andrewstuart/gddo,andrewstuart/gddo,jmhodges/gddo,chilts/gddo,golang/gddo,landaire/gddo,makhov/gddo,gdey/gddo,shopkeep/gddo,marcusolsson/gddo,segmentio/gddo,SDGophers/gddo,rjeczalik/gddo,shopkeep/gddo,nickrobinson/gddo,andrewstuart/gddo,jmhodges/gddo,gdey/gddo,jmhodges/gddo,makhov/gddo,SDGophers/gddo,rjeczalik/gddo,sourcegraph/gddo,sourcegraph/gddo,margaery/gddo,golang/gddo,nickrobinson/gddo,nickrobinson/gddo,jmhodges/gddo,andrewstuart/gddo,golang/gddo,landaire/gddo,segmentio/gddo,segmentio/gddo,sourcegraph/gddo,tomheng/gddo,zaphod-concur/gddo,jeweljar/gddo,margaery/gddo,jeweljar/gddo,gdey/gddo,makhov/gddo,margaery/gddo,zaphod-concur/gddo,landaire/gddo