openvswitch: Fix a typo

s/subsytem/subsystem/
Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/openvswitch/vport.h

@@ -20,7 +20,7 @@
 struct vport;
 struct vport_parms;
 
-/* The following definitions are for users of the vport subsytem: */
+/* The following definitions are for users of the vport subsystem: */
 
 int ovs_vport_init(void);
 void ovs_vport_exit(void);