pcmcia/3c574_cs: fix 'shadow variable' warning

Fixing:
  CHECK   drivers/net/pcmcia/3c574_cs.c
drivers/net/pcmcia/3c574_cs.c:695:7: warning: symbol 'i' shadows an earlier one
drivers/net/pcmcia/3c574_cs.c:636:6: originally declared here

Signed-off-by: Richard Knutson <ricknu-0@student.ltu.se>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/net/pcmcia/3c574_cs.c

@@ -696,7 +696,7 @@ static void tc574_reset(struct net_device *dev)
 	mdio_write(ioaddr, lp->phys, 4, lp->advertising);
 	if (!auto_polarity) {
 		/* works for TDK 78Q2120 series MII's */
-		int i = mdio_read(ioaddr, lp->phys, 16) | 0x20;
+		i = mdio_read(ioaddr, lp->phys, 16) | 0x20;
 		mdio_write(ioaddr, lp->phys, 16, i);
 	}