Run nova-novncproxy binary in the nova GIT trree

The nova-novncproxy binary was pulled into the nova GIT tree
several months back, so devstack should run that version,
rather than the legacy version from the noVNC GIT tree.

Change-Id: I289989d5c0831c75117f059dd8f2decb1f9d3a90
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
diff --git a/lib/nova b/lib/nova
index 8135bf1..dd68432 100644
--- a/lib/nova
+++ b/lib/nova
@@ -549,7 +549,7 @@
     screen_it n-crt "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-cert"
     screen_it n-net "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-network"
     screen_it n-sch "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-scheduler"
-    screen_it n-novnc "cd $NOVNC_DIR && ./utils/nova-novncproxy --config-file $NOVA_CONF --web ."
+    screen_it n-novnc "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-novncproxy --config-file $NOVA_CONF --web $NOVNC_DIR"
     screen_it n-xvnc "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-xvpvncproxy --config-file $NOVA_CONF"
     screen_it n-cauth "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-consoleauth"
 }