fm10k: using vmalloc requires including linux/vmalloc.h

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c

@@ -18,6 +18,8 @@
  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  */
 
+#include <linux/vmalloc.h>
+
 #include "fm10k.h"
 
 struct fm10k_stats {