do not fire up the qos-scripts hotplug part if the init script is disabled

SVN-Revision: 9046

package/qos-scripts/files/etc/hotplug.d/iface/10-qos

@@ -1,2 +1,2 @@
 #!/bin/sh
-[ "$ACTION" = ifup ] && /usr/lib/qos/generate.sh interface "$INTERFACE" | sh
+[ "$ACTION" = ifup ] && /etc/init.d/qos enabled && /usr/lib/qos/generate.sh interface "$INTERFACE" | sh