Ubuntu MATE 16.10 marco gives tons of warnings at xsession-errors file

[Thanos Apostolou]

I have installed Ubuntu MATE 16.10 on virtualbox and after 5 minutes usage I get over 500 lines of these warnings at the `~/.xsession-errors` file:

`Window manager warning: Log level 128: State 0 for GtkWindow 0x55d0bab76b20 doesn't match state 128 set via gtk_style_context_set_state ()`

The number after `GtkWindow` changes each time. After 10 miuntes the warnings are over 1000 lines. Ways to reproduce:
1)Make sure that marco (Software compositor) or Marco (No compositor) is selected at MATE Tweak.
2)Open the `~/.xsession-errors` file.
3)Keep using Ubuntu MATE and watch as the errors grow second by second.

Haven't tested it on real hardware, but I don't think virtualbox makes any difference.

ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: marco 1.16.0-1
ProcVersionSignature: Ubuntu 4.8.0-19.21-generic 4.8.0-rc8
Uname: Linux 4.8.0-19-generic x86_64
ApportVersion: 2.20.3-0ubuntu7
Architecture: amd64
CurrentDesktop: MATE
Date: Fri Oct 7 21:44:57 2016
InstallationDate: Installed on 2016-09-28 (8 days ago)
InstallationMedia: Ubuntu-MATE 16.10 "Yakkety Yak" - Alpha amd64 (20160921)
SourcePackage: marco
UpgradeStatus: No upgrade log present (probably fresh install)

[drwt (6lobe)]

I can confirm this on a real installation.

Getting constant spam of these warnings.

[Martin Wimpress  (flexiondotorg)]

The is fixed in marco 1.18.0 that was added to Ubuntu MATE 17.04 daily recently.