Staging: lustre: Added #include <linux/statfs.h> instead of #include <asm/statfs.h>

The following patch fixes the checkpatch.pl warning:
WARNING: Use #include <linux/statfs.h> instead of #include <asm/statfs.h>
Signed-off-by: Dilek Uzulmez <dilekuzulmez@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/osc/lproc_osc.c

@@ -35,7 +35,7 @@
  */
 #define DEBUG_SUBSYSTEM S_CLASS
 
-#include <asm/statfs.h>
+#include <linux/statfs.h>
 #include "../include/obd_cksum.h"
 #include "../include/obd_class.h"
 #include "../include/lprocfs_status.h"