VOL-3588 Update OFAgent to support new version of protos

Change-Id: Ic3944779f9a600ebcd5d7a916616f473059e311e
diff --git a/Makefile b/Makefile
index 2e23c73..5e1f65a 100644
--- a/Makefile
+++ b/Makefile
@@ -86,8 +86,8 @@
 ## Local Development Helpers
 local-lib-go:
 ifdef LOCAL_LIB_GO
-	mkdir -p vendor/github.com/opencord/voltha-lib-go/v3/pkg
-	cp -r ${LOCAL_LIB_GO}/pkg/* vendor/github.com/opencord/voltha-lib-go/v3/pkg/
+	mkdir -p vendor/github.com/opencord/voltha-lib-go/v4/pkg
+	cp -r ${LOCAL_LIB_GO}/pkg/* vendor/github.com/opencord/voltha-lib-go/v4/pkg/
 endif