apparmor: fix typo "preconfinement"

Signed-off-by: NZygmunt Krynicki <zygmunt.krynicki@canonical.com>
Acked-by: NChristian Boltz <apparmor@cboltz.de>
Signed-off-by: NJohn Johansen <john.johansen@canonical.com>

security/apparmor/policy.c

@@ -1085,7 +1085,7 @@ ssize_t aa_replace_profiles(struct aa_ns *policy_ns, struct aa_label *label,
  * Remove a profile or sub namespace from the current namespace, so that
  * they can not be found anymore and mark them as replaced by unconfined
  *
- * NOTE: removing confinement does not restore rlimits to preconfinemnet values
+ * NOTE: removing confinement does not restore rlimits to preconfinement values
  *
  * Returns: size of data consume else error code if fails
  */