Index: src/wp-admin/includes/schema.php
===================================================================
--- src/wp-admin/includes/schema.php	(revision 43258)
+++ src/wp-admin/includes/schema.php	(working copy)
@@ -532,6 +532,9 @@
 		// 4.4.0
 		'medium_large_size_w'             => 768,
 		'medium_large_size_h'             => 0,
+
+		// 4.9.6
+		'wp_page_for_privacy_policy'      => 0,
 	);
 
 	// 3.3