audit: make link()/linkat() match "attribute change" predicate

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/include/asm-generic/audit_change_attr.h b/include/asm-generic/audit_change_attr.h
index 5076455..bcbab3e 100644
--- a/include/asm-generic/audit_change_attr.h
+++ b/include/asm-generic/audit_change_attr.h
@@ -20,3 +20,7 @@
 __NR_fchown32,
 __NR_lchown32,
 #endif
+__NR_link,
+#ifdef __NR_linkat
+__NR_linkat,
+#endif