Sat, 09 Jun 2018 17:59:46 +0300check_source.sh: handle case if there are no files to check
Andrey Skvortsov <andrej.skvortzov@gmail.com> [Sat, 09 Jun 2018 17:59:46 +0300] rev 2183
check_source.sh: handle case if there are no files to check