dummy: use MODULE_VERSION

Use MODULE_VERSION() now that dummy driver has a version.

Signed-off-by: Flavio Leitner <fbl@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/dummy.c b/drivers/net/dummy.c
index 413ca4f..49adbf1 100644
--- a/drivers/net/dummy.c
+++ b/drivers/net/dummy.c
@@ -225,3 +225,4 @@
 module_exit(dummy_cleanup_module);
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_RTNL_LINK(DRV_NAME);
+MODULE_VERSION(DRV_VERSION);