e1000: Whitespace cleanup, cosmetic changes

Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
diff --git a/drivers/net/e1000/e1000.h b/drivers/net/e1000/e1000.h
index d304297..c110781 100644
--- a/drivers/net/e1000/e1000.h
+++ b/drivers/net/e1000/e1000.h
@@ -242,7 +242,7 @@
 	struct timer_list watchdog_timer;
 	struct timer_list phy_info_timer;
 	struct vlan_group *vlgrp;
-    	uint16_t mng_vlan_id;
+	uint16_t mng_vlan_id;
 	uint32_t bd_number;
 	uint32_t rx_buffer_len;
 	uint32_t part_num;