Notice: Undefined index: path in theme_image_formatter()

Issue Summary

Notice: Undefined index: path in theme_image_formatter() (line 549 of /home/wiert/www/drupal-7.0/modules/image/image.field.inc).

Solution: in image,field.inc: add !empty() (see below):

function theme_image_formatter($variables) {
$item = $variables['item'];
$image = array(
'path' => $item['uri'],
'alt' => $item['alt'],
);
// Do not output an empty 'title' attribute.
if (drupal_strlen($item['title']) > 0) {
$image['title'] = $item['title'];
}

if ($variables['image_style']) {
$image['style_name'] = $variables['image_style'];
$output = theme('image_style', $image);
}
else {
$output = theme('image', $image);
}

-- if ($variables['path']) {
++ if (!empty($variables['path'])) {
$path = $variables['path']['path'];
$options = $variables['path']['options'];
// When displaying an image inside a link, the html option must be TRUE.
$options['html'] = TRUE;
$output = l($output, $path, $options);
}

return $output;
}