Author: Ashley Holman
MDL-21432 lang string for missing_moodle_backup_xml_file error message
This is so you can easily see which file is missing.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=dd824dbc2b801c0a31b4d6ee8716237e756bcae1
http://github.com/moodle/moodle/commit/dd824dbc2b801c0a31b4d6ee8716237e756bcae1
+ 2.0 en [missing_moodle_backup_xml_file,core_error]