function metatag_update_7115 in Metatag 7
Clear all metatag output caches, it will be rebuild if needed.
File
- ./metatag.install, line 2634 
- Install, update, and uninstall functions for the metatag module.
Code
function metatag_update_7115() {
  cache_clear_all('output:', 'cache_metatag', TRUE);
}