[PATCH] Lance needs delay.h

An 'allyesconfig' on PA-RISC shows that lance is using mdelay without
including <linux/delay.h>
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

drivers/net/lance.c

@@ -47,6 +47,7 @@ static const char version[] = "lance.c:v1.15ac 1999/11/13 dplatt@3do.com, becker
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
+#include <linux/delay.h>
 #include <linux/errno.h>
 #include <linux/ioport.h>
 #include <linux/slab.h>