drivers:staging:lustre Fixed sparse warning: plain integer as NULL pointer

Fixes these sparse warnings:
drivers/staging/lustre/lustre/lmv/lproc_lmv.c:202:51: warning: Using plain integer as NULL pointer
drivers/staging/lustre/lustre/lmv/lproc_lmv.c:203:51: warning: Using plain integer as NULL pointer
drivers/staging/lustre/lustre/lmv/lproc_lmv.c:204:51: warning: Using plain integer as NULL pointer
drivers/staging/lustre/lustre/lmv/lproc_lmv.c:205:51: warning: Using plain integer as NULL pointer
drivers/staging/lustre/lustre/lmv/lproc_lmv.c:206:51: warning: Using plain integer as NULL pointer
drivers/staging/lustre/lustre/lmv/lproc_lmv.c:207:11: warning: Using plain integer as NULL pointer
drivers/staging/lustre/lustre/lmv/lproc_lmv.c:213:47: warning: Using plain integer as NULL pointer
drivers/staging/lustre/lustre/lmv/lproc_lmv.c:214:11: warning: Using plain integer as NULL pointer

Signed-off-by: John de la Garza <john@jjdev.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/lmv/lproc_lmv.c

@@ -200,19 +200,19 @@ static int lmv_target_seq_open(struct inode *inode, struct file *file)
 LPROC_SEQ_FOPS_RO_TYPE(lmv, uuid);
 
 struct lprocfs_vars lprocfs_lmv_obd_vars[] = {
-	{ "numobd",	  &lmv_numobd_fops,	  0, 0 },
-	{ "placement",	  &lmv_placement_fops,    0, 0 },
-	{ "activeobd",	  &lmv_activeobd_fops,    0, 0 },
-	{ "uuid",	  &lmv_uuid_fops,	  0, 0 },
-	{ "desc_uuid",	  &lmv_desc_uuid_fops,    0, 0 },
-	{ 0 }
+	{ "numobd",	  &lmv_numobd_fops,	  NULL, 0 },
+	{ "placement",	  &lmv_placement_fops,    NULL, 0 },
+	{ "activeobd",	  &lmv_activeobd_fops,    NULL, 0 },
+	{ "uuid",	  &lmv_uuid_fops,	  NULL, 0 },
+	{ "desc_uuid",	  &lmv_desc_uuid_fops,    NULL, 0 },
+	{ NULL }
 };
 
 LPROC_SEQ_FOPS_RO_TYPE(lmv, numrefs);
 
 static struct lprocfs_vars lprocfs_lmv_module_vars[] = {
-	{ "num_refs",	   &lmv_numrefs_fops, 0, 0 },
-	{ 0 }
+	{ "num_refs",	   &lmv_numrefs_fops, NULL, 0 },
+	{ NULL }
 };
 
 struct file_operations lmv_proc_target_fops = {