Copyright for librsync source package in Huanghe V3.0

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: librsync
Upstream-Contact:
 Martin Pool 
 Andrew Tridgell 
 Donovan Baarda 
Source: https://github.com/librsync/librsync

Files: *
Copyright:
 (C) 1997-2014 Martin Pool  and others.
License: LGPL-2.1+

Files: debian/*
Copyright:
 (C) 2008-2009 Daniel Baumann 
 (C) 2011-2019 Andrey Rahmatullin 
License: LGPL-2.1+

License: LGPL-2.1+
 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Library General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.
 .
 This library is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 Library General Public License for more details.
 .
 You should have received a copy of the GNU Library General Public
 License along with this library; if not, write to the Free
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 .
 On Debian systems, the complete text of the GNU Library General Public License
 can be found in /usr/share/common-licenses/LGPL-2.1 file.