staging: lustre: ldlm: count of pools is unsigned long

Function ldlm_pools_count() return unsigned long but counter is int.
Use ldlm_pool_granted() everywhere.
Signed-off-by: Dmitry Eremin <dmitry.eremin@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5577
Reviewed-on: http://review.whamcloud.com/12304Reviewed-by: James Simmons <uja.ornl@gmail.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/ldlm/ldlm_pool.c

@@ -792,7 +792,8 @@ static struct completion ldlm_pools_comp;
  */
 static unsigned long ldlm_pools_count(ldlm_side_t client, gfp_t gfp_mask)
 {
-	int total = 0, nr_ns;
+	unsigned long total = 0;
+	int nr_ns;
 	struct ldlm_namespace *ns;
 	struct ldlm_namespace *ns_old = NULL; /* loop detection */
 	void *cookie;