[PATCH -next] sfc: Make siena_check_caps static

[ChenTao]

Fix the following warning:

drivers/net/ethernet/sfc/siena.c:951:14: warning:
symbol 'siena_check_caps' was not declared. Should it be static?

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: ChenTao <chentao107@xxxxxxxxxx>
---
 drivers/net/ethernet/sfc/siena.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/sfc/siena.c b/drivers/net/ethernet/sfc/siena.c
index ed1cb6caa69d..4b4afe81be2a 100644
--- a/drivers/net/ethernet/sfc/siena.c
+++ b/drivers/net/ethernet/sfc/siena.c
@@ -948,8 +948,8 @@ static int siena_mtd_probe(struct efx_nic *efx)
 
 #endif /* CONFIG_SFC_MTD */
 
-unsigned int siena_check_caps(const struct efx_nic *efx,
-			      u8 flag, u32 offset)
+static unsigned int siena_check_caps(const struct efx_nic *efx,
+				     u8 flag, u32 offset)
 {
 	/* Siena did not support MC_CMD_GET_CAPABILITIES */
 	return 0;
-- 
2.22.0