Makefile tuning.

Author: neunhoef

Makefile

@@ -154,7 +154,7 @@ update-generated:
 	@rm -fr $(ORGDIR)
 	@mkdir -p $(ORGDIR)
 	@ln -s -f $(SCRIPTDIR) $(ORGDIR)/kube-arangodb
-	$(VENDORDIR)/k8s.io/code-generator/generate-groups.sh  \
+	GOPATH=$(GOBUILDDIR) $(VENDORDIR)/k8s.io/code-generator/generate-groups.sh  \
 		"all" \
 		"github.com/arangodb/kube-arangodb/pkg/generated" \
 		"github.com/arangodb/kube-arangodb/pkg/apis" \