r6040: set MODULE_VERSION

This patch sets MODULE_VERSION in order to help users track
changes to this module.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/r6040.c b/drivers/net/r6040.c
index 5e8540b..6f97b47 100644
--- a/drivers/net/r6040.c
+++ b/drivers/net/r6040.c
@@ -160,6 +160,7 @@
 	"Florian Fainelli <florian@openwrt.org>");
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("RDC R6040 NAPI PCI FastEthernet driver");
+MODULE_VERSION(DRV_VERSION " " DRV_RELDATE);
 
 /* RX and TX interrupts that we handle */
 #define RX_INTS			(RX_FIFO_FULL | RX_NO_DESC | RX_FINISH)