copyright-update-src: Update copyright information in files (source)

    2019-07-30 12:45       16103 copyright-update-2016.1018+20190505+git3fdedf4-1-cygwin.patch
    2019-07-30 12:45         270 copyright-update-2016.1018+20190505+git3fdedf4-1-cygwin.patch.sig
    2019-07-30 12:45      337710 copyright-update-2016.1018+20190505+git3fdedf4-1.sh
    2019-07-30 12:45         260 copyright-update-2016.1018+20190505+git3fdedf4-1.sh.sig
    2019-07-30 12:45       19652 copyright-update-2016.1018+20190505+git3fdedf4-1.tar.xz
    2019-07-30 12:45         264 copyright-update-2016.1018+20190505+git3fdedf4-1.tar.xz.sig
    2019-07-30 12:45       24122 copyright-update-2016.1018+20190505+git3fdedf4.tar.gz