vxlan: make vxlan_xmit_one void
vxlan: make vxlan_xmit_one void

The function vxlan_xmit_one always returns NETDEV_TX_OK, so there
is no point in keeping track of return values etc.

Signed-off-by: Stephen Hemminger <06fa905d7f2aaced6dc72e9511c71a2a51e8aead@networkplumber.org>
Acked-by: David L Stevens <72cb76c20dfe8f1bc4bd6f3ccd89c176eb56f084@us.ibm.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs