goprotobuf: Regenerate .pb.go files.

R=r
CC=golang-dev
http://codereview.appspot.com/6552062

proto/testdata/test.pb.go

@@ -1,11 +1,12 @@
-// Code generated by protoc-gen-go from "test.proto"
+// Code generated by protoc-gen-go.
+// source: test.proto
 // DO NOT EDIT!
 
 package testdata
 
 import proto "code.google.com/p/goprotobuf/proto"
-import "encoding/json"
-import "math"
+import json "encoding/json"
+import math "math"
 
 // Reference proto, json, and math imports to suppress error if they are not otherwise used.
 var _ = proto.Marshal

protoc-gen-go/descriptor/descriptor.pb.go

@@ -1,11 +1,12 @@
-// Code generated by protoc-gen-go from "google/protobuf/descriptor.proto"
+// Code generated by protoc-gen-go.
+// source: google/protobuf/descriptor.proto
 // DO NOT EDIT!
 
 package google_protobuf
 
 import proto "code.google.com/p/goprotobuf/proto"
-import "encoding/json"
-import "math"
+import json "encoding/json"
+import math "math"
 
 // Reference proto, json, and math imports to suppress error if they are not otherwise used.
 var _ = proto.Marshal

protoc-gen-go/plugin/plugin.pb.go

@@ -1,11 +1,12 @@
-// Code generated by protoc-gen-go from "google/protobuf/compiler/plugin.proto"
+// Code generated by protoc-gen-go.
+// source: google/protobuf/compiler/plugin.proto
 // DO NOT EDIT!
 
 package google_protobuf_compiler
 
 import proto "code.google.com/p/goprotobuf/proto"
-import "encoding/json"
-import "math"
+import json "encoding/json"
+import math "math"
 import google_protobuf "code.google.com/p/goprotobuf/protoc-gen-go/descriptor"
 
 // Reference proto, json, and math imports to suppress error if they are not otherwise used.