fix issue when closing a uTP connection RC_1_2 backport #2816

	name: Windows

	on:
	push:
	branches: [ RC_1_2 RC_2_0 master ]
	pull_request:

	defaults:
	run:
	shell: cmd

	concurrency:
	group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}
	cancel-in-progress: true

	jobs:

	tests:
	name: Test
	runs-on: windows-latest
	continue-on-error: true

	steps:
	- name: checkout
	uses: actions/checkout@v2
	with:
	submodules: recursive

	- name: install boost
	run: \|
	git clone --depth=1 --recurse-submodules -j10 --branch=boost-1.78.0 https://github.com/boostorg/boost.git
	cd boost
	bootstrap.bat

	- name: boost headers
	run: \|
	cd boost
	.\b2 headers

	- name: tests
	run: \|
	set BOOST_ROOT=%CD%\boost
	set BOOST_BUILD_PATH=%BOOST_ROOT%\tools\build
	set PATH=%BOOST_ROOT%;%PATH%
	set PYTHON_INTERPRETER=python
	cd test
	b2 -l400 debug-iterators=on invariant-checks=full asserts=on cxxstd=11 warnings=all warnings-as-errors=on

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