drivers/net/lance.c: fix sparse warnings: fix signedness

Impact: Besides from fixing the signedness issue remove some
whitespace to obey to the 80 character limit.

Fix this sparse warnings:
  drivers/net/lance.c:399:19: warning: incorrect type in assignment (different signedness)
  drivers/net/lance.c:654:29: warning: incorrect type in argument 2 (different signedness)

Signed-off-by: Hannes Eder <hannes@hanneseder.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/lance.c

@@ -391,7 +391,8 @@ MODULE_LICENSE("GPL");
    */
 static int __init do_lance_probe(struct net_device *dev)
 {
-	int *port, result;
+	unsigned int *port;
+	int result;
 
 	if (high_memory <= phys_to_virt(16*1024*1024))
 		lance_need_isa_bounce_buffers = 0;
@@ -456,7 +457,7 @@ out:
 static int __init lance_probe1(struct net_device *dev, int ioaddr, int irq, int options)
 {
 	struct lance_private *lp;
-	long dma_channels;			/* Mark spuriously-busy DMA channels */
+	unsigned long dma_channels;	/* Mark spuriously-busy DMA channels */
 	int i, reset_val, lance_version;
 	const char *chipname;
 	/* Flags for specific chips or boards. */