use only gogo protobuf

p2p/crypto/pb/Makefile

@@ -4,7 +4,7 @@ GO = $(PB:.proto=.pb.go)
 all: $(GO)
 
 %.pb.go: %.proto
-		protoc --go_out=. --proto_path=../../../../../../:/usr/local/opt/protobuf/include:. $<
+		protoc --gogo_out=. $<
 
 clean:
 		rm *.pb.go

p2p/crypto/pb/crypto.pb.go

-// Code generated by protoc-gen-go.
+// Code generated by protoc-gen-gogo.
 // source: crypto.proto
 // DO NOT EDIT!
 
@@ -14,7 +14,7 @@ It has these top-level messages:
 */
 package crypto_pb
 
-import proto "github.com/golang/protobuf/proto"
+import proto "github.com/gogo/protobuf/proto"
 import math "math"
 
 // Reference imports to suppress errors if they are not otherwise used.