Make sure we have links to iterate over. fixes #2675
git-svn-id: http://svn.automattic.com/wordpress/trunk@3734 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -522,7 +522,7 @@ function upgrade_210() {
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// Associate links to cats.
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$links = $wpdb->get_results("SELECT link_id, link_category FROM $wpdb->links");
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foreach ( $links as $link ) {
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if ( !empty($links) ) foreach ( $links as $link ) {
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$link_cat = $link_cat_id_map[$link->link_category];
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$cat = $wpdb->get_row("SELECT * FROM $wpdb->link2cat WHERE link_id = '$link->link_id' AND category_id = '$link_cat'");
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if (!$cat && 0 != $link->link_category) {
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