the module name listed in go.mod was for ugorji/go instead of

cgbaker · cgbaker · commit cc7dbc9ee933 · 2019-11-03T16:22:06.000-06:00
hashicorp/go-msgpack. this caused errors when using this module:
```
go: github.com/hashicorp/go-msgpack@v0.0.0-20190927083313-23165f7bc3c2: parsing go.mod: unexpected module path "github.com/ugorji/go"
```

this change is consistent with the go.mod contents on the master branch
of hashicorp/go-msgpack
diff --git a/go.mod b/go.mod
@@ -1,4 +1,4 @@
-module github.com/ugorji/go
+module github.com/hashicorp/go-msgpack
 
 go 1.13
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-module github.com/ugorji/go`
	`1`	`+module github.com/hashicorp/go-msgpack`
`2`	`2`
`3`	`3`	`go 1.13`
`4`	`4`