[VOL-4290] Voltha go library updates for gRPC migration

Change-Id: I1aa2774beb6b7ed7419bc45aeb53fcae8a8ecda0
diff --git a/vendor/github.com/gorilla/websocket/.gitignore b/vendor/github.com/gorilla/websocket/.gitignore
index ac71020..cd3fcd1 100644
--- a/vendor/github.com/gorilla/websocket/.gitignore
+++ b/vendor/github.com/gorilla/websocket/.gitignore
@@ -22,4 +22,4 @@
 *.exe
 
 .idea/
-*.iml
\ No newline at end of file
+*.iml