Fix proto lints

Signed-off-by: Thane Thomson <connect@thanethomson.com>

proto/tendermint/types/types.proto

@@ -1,7 +1,7 @@
 syntax = "proto3";
 package tendermint.types;
 
-option go_package = "github.com/tendermint/tendermint/types";
+option go_package = "github.com/tendermint/tendermint/proto/tendermint/types";
 
 import "gogoproto/gogo.proto";
 import "google/protobuf/timestamp.proto";