staging: lustre: Use __init and __exit markers for lifecycle functions

Apply __init marker to module's init function and __exit to module's
exit function as they both have no other usage.
Signed-off-by: Mariusz Gorski <marius.gorski@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lnet/lnet/module.c

@@ -110,7 +110,7 @@ lnet_ioctl(unsigned int cmd, struct libcfs_ioctl_data *data)
 
 DECLARE_IOCTL_HANDLER(lnet_ioctl_handler, lnet_ioctl);
 
-static int
+static int __init
 init_lnet(void)
 {
 	int		  rc;
@@ -135,7 +135,7 @@ init_lnet(void)
 	return 0;
 }
 
-static void
+static void __exit
 fini_lnet(void)
 {
 	int rc;