[BRIDGE]: add version number

Add version info to bridge module.

Signed-off-by: Stephen Hemminger <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

net/bridge/br.c

···
 module_init(br_init)
 module_exit(br_deinit)
 MODULE_LICENSE("GPL");
+MODULE_VERSION(BR_VERSION);

net/bridge/br_private.h

···
 
 #define BR_PORT_DEBOUNCE (HZ/10)
 
+#define BR_VERSION	"2.1"
+
 typedef struct bridge_id bridge_id;
 typedef struct mac_addr mac_addr;
 typedef __u16 port_id;