Author: Ruslan Kabalin
MDL-50907 antivirus: Make antivirus_exception message more general.
Since the scan can be run not only as a result of file uploading, the
language string should be more general.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=8504673116f25bac3d77463331ed2a8fceecc931
http://github.com/moodle/moodle/commit/8504673116f25bac3d77463331ed2a8fceecc931
+ 3.5 en [virusfound,core_antivirus]