e1000e: minor re-order of #include files

The recent commit a6b7a407 when back-ported to the out-of-tree e1000e
driver caused a compilation error on older kernels which required a
re-ordering of the #include files.  This cosmetic patch syncs the two
drivers for easier maintainability.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by:  Aaron Brown  <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index 72756e4..06d88f3 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -28,8 +28,8 @@
 
 /* ethtool support for e1000 */
 
-#include <linux/interrupt.h>
 #include <linux/netdevice.h>
+#include <linux/interrupt.h>
 #include <linux/ethtool.h>
 #include <linux/pci.h>
 #include <linux/slab.h>