Update tunable macro usage for disable_ivset_guid_check

Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Closes #9861

module/zfs/dsl_crypt.c

@@ -2894,8 +2894,5 @@ spa_do_crypt_abd(boolean_t encrypt, spa_t *spa, const zbookmark_phys_t *zb,
 	return (ret);
 }
 
-#if defined(_KERNEL)
-module_param(zfs_disable_ivset_guid_check, int, 0644);
-MODULE_PARM_DESC(zfs_disable_ivset_guid_check,
+ZFS_MODULE_PARAM(zfs, zfs_, disable_ivset_guid_check, INT, ZMOD_RW,
 	"Set to allow raw receives without IVset guids");
-#endif