Author: Víctor Déniz
MDL-78415 lang: Add parameter to reopencolumn string
http://git.moodle.org/gw?p=moodle.git;a=commit;h=a29056941b7ea61d064d709e0c9f12df7585648d
http://github.com/moodle/moodle/commit/a29056941b7ea61d064d709e0c9f12df7585648d
+ 4.2 en [reopencolumn,gradereport_grader]