Vtnweb resource bug fixed

Change-Id: I6a7efec56d53c1b23c9a659c8c14c88b03263241
diff --git a/apps/vtn/vtnweb/BUCK b/apps/vtn/vtnweb/BUCK
index f9052b9..4089e33 100644
--- a/apps/vtn/vtnweb/BUCK
+++ b/apps/vtn/vtnweb/BUCK
@@ -14,4 +14,5 @@
 osgi_jar_with_tests (
     deps = COMPILE_DEPS,
     test_deps = TEST_DEPS,
+    web_context = '/onos/vtn',
 )