Allow OpenSSL verifier to be called with NULL SNI #1468

	---
	name: "CITests"

	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master

	jobs:
	citests:
	name: CI-Tests
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v3
	with:
	# We must fetch at least the immediate parents so that if this is
	# a pull request then we can checkout the head.
	fetch-depth: 2
	submodules: 'recursive'

	- name: Building picoquic
	run: \|
	sudo apt-get install -y libssl-dev
	cmake -S . -B build -DPICOQUIC_FETCH_PTLS:BOOL=ON
	cmake --build build

	- name: Perform Unit Tests
	run: \|
	ulimit -c unlimited -S
	cd build
	make test && QUICRESULT=$?
	if [[ ${QUICRESULT} == 0 ]]; then exit 0; fi;
	cat /home/runner/work/picoquic/picoquic/build/Testing/Temporary/LastTest.log
	exit 1

	- name: Run Valgrind
	run: \|
	sudo apt-get update
	sudo apt-get install -y valgrind
	# Remove, until the picotls/openssl issue is resolved.
	# valgrind -v --error-exitcode=1 --track-origins=yes build/picoquic_ct zero_rtt_many_losses

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