[BNX2]: include <linux/vmalloc.h>

Include <linux/vmalloc.h> so that it compiles properly on all archs.

Update version to 1.4.38.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h
index beb2e8b..fd4b7f2 100644
--- a/drivers/net/bnx2.h
+++ b/drivers/net/bnx2.h
@@ -23,6 +23,7 @@
 #include <linux/errno.h>
 #include <linux/ioport.h>
 #include <linux/slab.h>
+#include <linux/vmalloc.h>
 #include <linux/interrupt.h>
 #include <linux/pci.h>
 #include <linux/init.h>