drivers: net: vxlan.c: Fix declaration issue

Added a blank line after structure declaration.
This is done to maintain code uniformity.
Signed-off-by: NSanjana Srinidhi <sanjanasrinidhi1810@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/vxlan.c

@@ -3703,6 +3703,7 @@ static int vxlan_config_validate(struct net *src_net, struct vxlan_config *conf,
 #if IS_ENABLED(CONFIG_IPV6)
 		if (use_ipv6) {
 			struct inet6_dev *idev = __in6_dev_get(lowerdev);
+
 			if (idev && idev->cnf.disable_ipv6) {
 				NL_SET_ERR_MSG(extack,
 					       "IPv6 support disabled by administrator");