Add missing endif in client_vnc_api_lib.ini

Change-Id: Ic2f1b329e5354babdac5cb53d359e00803dd4043
diff --git a/opencontrail/files/4.0/client_vnc_api_lib.ini b/opencontrail/files/4.0/client_vnc_api_lib.ini
index e193fdb..77e3b92 100644
--- a/opencontrail/files/4.0/client_vnc_api_lib.ini
+++ b/opencontrail/files/4.0/client_vnc_api_lib.ini
@@ -24,3 +24,4 @@
 {%- else %}
 AUTHN_URL = /v2.0/tokens
 {%- endif %}
+{%- endif %}