be2net: fix a sparse warning in be_cmd_modify_eqd()

This patch fixes a sparse warning about missing static declaration that was
introduced by the following commit:

fixes: 93676703 ("be2net: send a max of 8 EQs to be_cmd_modify_eqd() on Lancer")
Signed-off-by: NKalesh AP <kalesh.purayil@emulex.com>
Signed-off-by: NSathya Perla <sathya.perla@emulex.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/emulex/benet/be_cmds.c

@@ -1783,8 +1783,8 @@ int be_cmd_get_fw_ver(struct be_adapter *adapter)
 /* set the EQ delay interval of an EQ to specified value
  * Uses async mcc
  */
-int __be_cmd_modify_eqd(struct be_adapter *adapter, struct be_set_eqd *set_eqd,
-			int num)
+static int __be_cmd_modify_eqd(struct be_adapter *adapter,
+			       struct be_set_eqd *set_eqd, int num)
 {
 	struct be_mcc_wrb *wrb;
 	struct be_cmd_req_modify_eq_delay *req;