mate-screenshot does not allow to copy screenshot to clipboard by commandline argument

[Norbert]

Steps to reproduce:
1. Launch mate-screenshot -h from terminal
2. Ensure that there is no option to copy screenshot to clipboard from commandline.

Expected results:
User is able to copy screenshot to clipboard as with "gnome-screenshot -c".

Actual results:
User can't to copy screenshot to clipboard from commandline.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: mate-utils 1.12.0-1
ProcVersionSignature: Ubuntu 4.4.0-34.53-generic 4.4.15
Uname: Linux 4.4.0-34-generic i686
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: i386
CurrentDesktop: MATE
Date: Mon Aug 22 19:43:27 2016
InstallationDate: Installed on 2016-04-21 (122 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release i386 (20160420.1)
SourcePackage: mate-utils
UpgradeStatus: No upgrade log present (probably fresh install)

[Norbert (nrbrtx)]

Reported upstream (see https://github.com/mate-desktop/mate-utils/issues/160 ).

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Norbert (nrbrtx)]

Fixed since 20.04 LTS.