BUG/MINOR: server: free srv.lb_nodes in free_server

lb_nodes is allocated for servers using lb_chash (balance random or
hash-type consistent).

It can be backported up to 1.8.

(cherry picked from commit fb247946a1b0a6dc6b1e6b27631adf1ef40c0ee3)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
[Cf: Patch applied on haproxy.c because servers are freed in deinit()]
1 file changed