fixed: in Item do_migration_to_3(...) admin meta was called admin_meta (not meta_admin)

winixd/models/item.cpp

@@ -283,7 +283,7 @@ bool Item::do_migration_to_3()
 		"update core.content set link_to = (select link_to from core.item where item.content_id = content.id limit 1);",
 		"update core.content set link_redirect = (select link_redirect from core.item where item.content_id = content.id limit 1);",
 		"update core.content set meta = (select meta from core.item where item.content_id = content.id limit 1);",
-		"update core.content set meta_admin = (select ameta from core.item where item.content_id = content.id limit 1);",
+		"update core.content set admin_meta = (select ameta from core.item where item.content_id = content.id limit 1);",
 	};
 
 	size_t len = sizeof(str) / sizeof(const char*);