m68k: kill skb_copy_from_linear_data compiler warnings

The recent conversion from `memcpy' to `skb_copy_from_linear_data' removed a
few casts, which were needed to silence compiler warnings. Re-add them.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/net/a2065.c b/drivers/net/a2065.c
index 37534f3..81d5a37 100644
--- a/drivers/net/a2065.c
+++ b/drivers/net/a2065.c
@@ -597,11 +597,11 @@
 	ib->btx_ring [entry].length = (-len) | 0xf000;
 	ib->btx_ring [entry].misc = 0;
 
-	skb_copy_from_linear_data(skb, &ib->tx_buf [entry][0], skblen);
+	skb_copy_from_linear_data(skb, (void *)&ib->tx_buf [entry][0], skblen);
 
 	/* Clear the slack of the packet, do I need this? */
 	if (len != skblen)
-		memset ((char *) &ib->tx_buf [entry][skblen], 0, len - skblen);
+		memset ((void *) &ib->tx_buf [entry][skblen], 0, len - skblen);
 
 	/* Now, give the packet to the lance */
 	ib->btx_ring [entry].tmd1_bits = (LE_T1_POK|LE_T1_OWN);