Make sure client initializes to proper lock RPC path. (#3763)

Fixes a regression introduced in previous commit.

cmd/namespace-lock.go

@@ -51,7 +51,7 @@ func initDsyncNodes(eps []*url.URL) error {
 			accessKey:       cred.AccessKey,
 			secretKey:       cred.SecretKey,
 			serverAddr:      ep.Host,
-			serviceEndpoint: pathutil.Join(lockRPCPath, getPath(ep)),
+			serviceEndpoint: pathutil.Join(minioReservedBucketPath, lockRPCPath, getPath(ep)),
 			secureConn:      globalIsSSL,
 			serviceName:     "Dsync",
 		})

cmd/storage-rpc-client.go

@@ -34,7 +34,7 @@ type networkStorage struct {
 }
 
 const (
-	storageRPCPath = minioReservedBucketPath + "/storage"
+	storageRPCPath = "/storage"
 )
 
 // Converts rpc.ServerError to underlying error. This function is
@@ -102,7 +102,7 @@ func newStorageRPC(ep *url.URL) (StorageAPI, error) {
 	}
 
 	// Dial minio rpc storage http path.
-	rpcPath := path.Join(storageRPCPath, getPath(ep))
+	rpcPath := path.Join(minioReservedBucketPath, storageRPCPath, getPath(ep))
 	rpcAddr := ep.Host
 
 	serverCred := serverConfig.GetCredential()

cmd/storage-rpc-server.go

@@ -234,7 +234,7 @@ func registerStorageRPCRouters(mux *router.Router, srvCmdConfig serverCmdConfig)
 		}
 		// Add minio storage routes.
 		storageRouter := mux.PathPrefix(minioReservedBucketPath).Subrouter()
-		storageRouter.Path(path.Join("/storage", stServer.path)).Handler(storageRPCServer)
+		storageRouter.Path(path.Join(storageRPCPath, stServer.path)).Handler(storageRPCServer)
 	}
 	return nil
 }