Copyright for putty source package in Mantic

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: PuTTY
Upstream-Contact: Simon Tatham 
Source: https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html

Files: *
Copyright:
 PuTTY is copyright 1997-2022 Simon Tatham.
 .
 Portions copyright Robert de Bath, Joris van Rantwijk, Delian
 Delchev, Andreas Schultz, Jeroen Massar, Wez Furlong, Nicolas Barry,
 Justin Bradford, Ben Harris, Malcolm Smith, Ahmad Khalifa, Markus
 Kuhn, Colin Watson, Christopher Staite, Lorenz Diener, Christian
 Brabandt, Jeff Smith, Pavel Kryukov, Maxim Kuznetsov, Svyatoslav
 Kuzmich, Nico Williams, Viktor Dukhovni, Josh Dersch, Lars Brinkhoff,
 and CORE SDI S.A.
License: Expat
 Permission is hereby granted, free of charge, to any person
 obtaining a copy of this software and associated documentation files
 (the "Software"), to deal in the Software without restriction,
 including without limitation the rights to use, copy, modify, merge,
 publish, distribute, sublicense, and/or sell copies of the Software,
 and to permit persons to whom the Software is furnished to do so,
 subject to the following conditions:
 .
 The above copyright notice and this permission notice shall be
 included in all copies or substantial portions of the Software.
 .
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 NONINFRINGEMENT.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE
 FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.