Index: wp-admin/includes/bookmark.php
===================================================================
--- wp-admin/includes/bookmark.php	(revision 7826)
+++ wp-admin/includes/bookmark.php	(working copy)
@@ -119,14 +119,9 @@
 	}
 
 	if ( $update ) {
-		$wpdb->query( $wpdb->prepare("UPDATE $wpdb->links SET link_url = %s,
-			link_name = %s, link_image = %s, link_target = %s, 
-			link_visible = %s, link_description = %s, link_rating = %s, 
-			link_rel = %s, link_notes = %s, link_rss = %s
-			WHERE link_id = %s", $link_url, $link_name, $link_image, $link_target, $link_visible, $link_description, $link_rating, $link_rel, $link_notes, $link_rss, $link_id) );
+		$wpdb->update( $wpdb->links, compact('link_url', 'link_name', 'link_image', 'link_target', 'link_description', 'link_visible', 'link_rating', 'link_rel', 'link_notes', 'link_rss'), compact('link_id') );
 	} else {
-		$wpdb->query( $wpdb->prepare("INSERT INTO $wpdb->links (link_url, link_name, link_image, link_target, link_description, link_visible, link_owner, link_rating, link_rel, link_notes, link_rss) VALUES(%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)", 
-		$link_url,$link_name, $link_image, $link_target, $link_description, $link_visible, $link_owner, $link_rating, $link_rel, $link_notes, $link_rss) );
+		$wpdb->insert( $wpdb->links, compact('link_url', 'link_name', 'link_image', 'link_target', 'link_description', 'link_visible', 'link_owner', 'link_rating', 'link_rel', 'link_notes', 'link_rss') );
 		$link_id = (int) $wpdb->insert_id;
 	}
 
Index: wp-admin/includes/user.php
===================================================================
--- wp-admin/includes/user.php	(revision 7826)
+++ wp-admin/includes/user.php	(working copy)
@@ -258,8 +258,8 @@
 		$wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->links WHERE link_owner = %d", $id) );
 	} else {
 		$reassign = (int) $reassign;
-		$wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET post_author = %d WHERE post_author = %d", $reassign, $id) );
-		$wpdb->query( $wpdb->prepare("UPDATE $wpdb->links SET link_owner = %d WHERE link_owner = %d}", $reassign, $id) );
+		$wpdb->update( $wpdb->posts, array('post_author' => $reassign), array('post_author' => $id) );
+		$wpdb->update( $wpdb->links, array('link_owner' => $reassign), array('link_owner' => $id) );
 	}
 
 	// FINALLY, delete user