security: selinux: Change return type to vm_fault_t

Use new return type vm_fault_t for fault handler
in struct vm_operations_struct.
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Reviewed-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>

security/selinux/selinuxfs.c

@@ -453,7 +453,7 @@ static ssize_t sel_read_policy(struct file *filp, char __user *buf,
 	return ret;
 }
 
-static int sel_mmap_policy_fault(struct vm_fault *vmf)
+static vm_fault_t sel_mmap_policy_fault(struct vm_fault *vmf)
 {
 	struct policy_load_memory *plm = vmf->vma->vm_file->private_data;
 	unsigned long offset;