phpbb/phpbb3 — pull request #918 by Senky (2012-07-23 12:40:56+00:00)
Title: [ticket/10568] Modify the trigger language when you edit a PM

When you edit a PM you receive this trigger_error: "This message has been sent successfully."
I think it should be nice to get rather this trigger_error "This message has been edited successfully."

This PR fixes that.

[PHPBB3-10568](http://tracker.phpbb.com/browse/PHPBB3-10568)