cgroup_pids: fix a typo.

This patch fixes a typo in pids_charge() method.

Signed-off-by: Rami Rosen <rami.rosen@intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
diff --git a/kernel/cgroup_pids.c b/kernel/cgroup_pids.c
index 18107ae..303097b 100644
--- a/kernel/cgroup_pids.c
+++ b/kernel/cgroup_pids.c
@@ -134,7 +134,7 @@
  *
  * This function follows the set limit. It will fail if the charge would cause
  * the new value to exceed the hierarchical limit. Returns 0 if the charge
- * succeded, otherwise -EAGAIN.
+ * succeeded, otherwise -EAGAIN.
  */
 static int pids_try_charge(struct pids_cgroup *pids, int num)
 {