net: dsa: sja1105: suppress -Wmissing-prototypes in sja1105_vl.c

Newer C compilers are complaining about the fact that there are no
function prototypes in sja1105_vl.c for the non-static functions.
Give them what they want.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/sja1105/sja1105_vl.c

@@ -3,7 +3,7 @@
  */
 #include <net/tc_act/tc_gate.h>
 #include <linux/dsa/8021q.h>
-#include "sja1105.h"
+#include "sja1105_vl.h"
 
 #define SJA1105_SIZE_VL_STATUS			8
 

drivers/net/dsa/sja1105/sja1105_vl.h

@@ -4,6 +4,8 @@
 #ifndef _SJA1105_VL_H
 #define _SJA1105_VL_H
 
+#include "sja1105.h"
+
 #if IS_ENABLED(CONFIG_NET_DSA_SJA1105_VL)
 
 int sja1105_vl_redirect(struct sja1105_private *priv, int port,