By initializing this array before a loop, Scrutinizer reports 0 (zero) "Coding Style" errors.

There are plenty of other kinds of errors, but this label will be cleared out.

See #30799.


git-svn-id: https://develop.svn.wordpress.org/trunk@31213 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/upgrade.php

@@ -556,6 +556,7 @@ function upgrade_100() {
 
 	$done_ids = $wpdb->get_results("SELECT DISTINCT post_id FROM $wpdb->post2cat");
 	if ($done_ids) :
+		$done_posts = array();
 		foreach ($done_ids as $done_id) :
 			$done_posts[] = $done_id->post_id;
 		endforeach;