selinux: consistently use u32 as sequence number type in the status code

Align the type with the one used in selinux_notify_policy_change() and
the sequence member of struct selinux_kernel_status.
Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
[PM: subject line tweaks]
Signed-off-by: Paul Moore <paul@paul-moore.com>

security/selinux/include/security.h

@@ -376,7 +376,7 @@ struct selinux_kernel_status {
 } __packed;
 
 extern void selinux_status_update_setenforce(int enforcing);
-extern void selinux_status_update_policyload(int seqno);
+extern void selinux_status_update_policyload(u32 seqno);
 extern void selinux_complete_init(void);
 extern struct path selinux_null;
 extern void selnl_notify_setenforce(int val);

security/selinux/status.c

@@ -101,7 +101,7 @@ void selinux_status_update_setenforce(int enforcing)
  * It updates status of the times of policy reloaded, and current
  * setting of deny_unknown.
  */
-void selinux_status_update_policyload(int seqno)
+void selinux_status_update_policyload(u32 seqno)
 {
 	struct selinux_kernel_status   *status;