gpuid-fill-sequence-gaps.php: Fixed an issue with the snippet not working.

Author: saifsultanc

gp-unique-id/gpuid-fill-sequence-gaps.php

@@ -12,9 +12,11 @@
 add_filter( 'gpui_sequential_unique_id_pre_insert_519_5', function ( $uid, $form_id, $field_id ) {
 	global $wpdb;
 
+	$table_name = GFFormsModel::get_entry_meta_table_name();
+
 	$result = $wpdb->get_results( $wpdb->prepare( "
 		select meta_value 
-		from {$wpdb->prefix}gf_entry_meta 
+		from {$table_name}
 		where form_id = %d and meta_key = %d", $form_id, $field_id ) );
 
 	if ( empty( $result ) ) {