Fixed code style errors.

islandora.module

@@ -342,7 +342,7 @@ function islandora_field_widget_image_image_form_alter(&$element, $form_state, $
 }
 
 /**
- * hook_field_widget_WIDGET_TYPE_form_alter() callback.
+ * Callback for hook_field_widget_WIDGET_TYPE_form_alter().
  */
 function islandora_add_default_image_alt_text($element, $form_state, $form) {
   if ($element['alt']['#access']) {
@@ -355,7 +355,6 @@ function islandora_add_default_image_alt_text($element, $form_state, $form) {
   return $element;
 }
 
-
 /**
  * Implements hook_entity_form_display_alter().
  */