Author: Jun Pataleta
MDL-76739 mod_data: Replace "Author surname" with "Author last name"
For consistency with the rest of the lang strings
http://git.moodle.org/gw?p=moodle.git;a=commit;h=a387d795f7e2490b37276637238a6a7a1338f2e6
http://github.com/moodle/moodle/commit/a387d795f7e2490b37276637238a6a7a1338f2e6
+ 4.0 en [authorlastname,mod_data]