Avoid a build warning by making the probe function static:

drivers/net/ethernet/natsemi/xtsonic.c:200:5: warning: no previous prototype for 'xtsonic_probe' [-Wmissing-prototypes]
  200 | int xtsonic_probe(struct platform_device *pdev)

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
---
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Andrew Lunn <andrew+netdev@lunn.ch>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@kernel.org>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: netdev@vger.kernel.org

 drivers/net/ethernet/natsemi/xtsonic.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linext-2026-1007.orig/drivers/net/ethernet/natsemi/xtsonic.c
+++ linext-2026-1007/drivers/net/ethernet/natsemi/xtsonic.c
@@ -197,7 +197,7 @@ out:
  * Actually probing is superfluous but we're paranoid.
  */
 
-int xtsonic_probe(struct platform_device *pdev)
+static int xtsonic_probe(struct platform_device *pdev)
 {
 	struct net_device *dev;
 	struct sonic_local *lp;