go mod path

[sain801028]

I use 6.1.1 update 6.2.0

go get: gopkg.in/rethinkdb/rethinkdb-go.v6@v6.2.0 requires
gopkg.in/cenkalti/backoff.v4@v4.0.0: parsing go.mod:
module declares its path as: github.com/cenkalti/backoff/v4
but was required as: gopkg.in/cenkalti/backoff.v4

[sain801028]

I use go1.14

go get gopkg.in/rethinkdb/rethinkdb-go.v6
go: gopkg.in/rethinkdb/rethinkdb-go.v6 upgrade => v6.2.0
go get: gopkg.in/rethinkdb/rethinkdb-go.v6@v6.2.0 requires
gopkg.in/cenkalti/backoff.v4@v4.0.0: parsing go.mod:
module declares its path as: github.com/cenkalti/backoff/v4
but was required as: gopkg.in/cenkalti/backoff.v4

[sain801028]

go get gopkg.in/cenkalti/backoff.v4
go get: gopkg.in/cenkalti/backoff.v4@v4.0.0: parsing go.mod:
module declares its path as: github.com/cenkalti/backoff/v4
but was required as: gopkg.in/cenkalti/backoff.v4

[CMogilko]

should be fixed in 6.2.1
#485