Fix node-sdk build

Change-Id: Ie4462d5159cc0d595c034215a9e25258822925b7
Signed-off-by: Gabor Hosszu <[email protected]>

Author: gaborh-da

sdk/node/Makefile

@@ -24,6 +24,7 @@ all: hfc
 
 .PHONY: hfc
 hfc:
+	mkdir -p ./lib/protos
 	cp ../../protos/*.proto ./lib/protos
 	cp ../../membersrvc/protos/*.proto ./lib/protos
 	npm install && sudo npm install -g typescript && sudo npm install typings --global && typings install