ttxml: fixed license test

ccan/ttxml/_info

@@ -28,9 +28,6 @@
  *
  * License: GPL
  * Author: Daniel Burke <dan.p.burke@gmail.com>
- * Ccanlint:
- *	// Please add a comment about license in each source file
- *	license_comment FAIL
  */
 int main(int argc, char *argv[])
 {

ccan/ttxml/ttxml.h

@@ -26,7 +26,7 @@
  *	return 0;
  * }
  *
- * License: GPL
+ * Licensed under GPL - see LICENSE file for details.
  * Author: Daniel Burke <dan.p.burke@gmail.com>
  */