fix package typo

ysugimoto · ysugimoto · commit d05815c16a08 · 2020-09-20T06:05:28.000+09:00
diff --git a/ptypes/empty/empty.go b/ptypes/empty/empty.go
@@ -1,4 +1,4 @@
-package timestamp
+package empty
 
 import (
 	"github.com/graphql-go/graphql"

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-package timestamp`
	`1`	`+package empty`
`2`	`2`
`3`	`3`	`import (`
`4`	`4`	`"github.com/graphql-go/graphql"`