add label to attachment container

Author: mutec

files/lib/system/form/builder/container/AttachmentFormContainer.class.php

@@ -34,6 +34,15 @@ class AttachmentFormContainer extends FormContainer {
 	 */
 	protected $fieldId;
 
+	/**
+	 * @inheritDoc
+	 */
+	public function __construct() {
+		parent::__construct();
+		
+		$this->label('wcf.attachment.attachments');
+	}
+	
 	/**
 	 * Sets the attachment-related data used to create an `AttachmentHandler` object for the
 	 * attachment form field. If no attachment data is set, attachments are not supported.