net: dsa: mv88e6xxx: fix broken if statement because of a stray semicolon

There is a stray semicolon in an if statement that will cause a dev_err
message to be printed unconditionally. Fix this by removing the stray
semicolon.

Addresses-Coverity: ("Stay semicolon")
Fixes: f0942e00 ("net: dsa: mv88e6xxx: Add support for port mirroring")
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Reviewed-by: NAndrew Lunn <andrew@lunn.ch>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/dsa/mv88e6xxx/chip.c

@@ -5317,7 +5317,7 @@ static void mv88e6xxx_port_mirror_del(struct dsa_switch *ds, int port,
 		if (chip->info->ops->set_egress_port(chip,
 						     direction,
 						     dsa_upstream_port(ds,
-								       port)));
+								       port)))
 			dev_err(ds->dev, "failed to set egress port\n");
 	}