fix a bunch of -Wall warnings, part 3 #421

	name: CI
	on: [push, pull_request]

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

	jobs:

	linux:

	name: Static linting
	runs-on: ubuntu-24.04
	env:
	CLICOLOR_FORCE: "1"

	steps:

	- name: Checkout
	uses: actions/checkout@v4
	with:
	clean: false
	show-progress: false

	- name: Setup Node.js
	uses: actions/setup-node@v4
	with:
	node-version: 'latest'
	# No cache, there are complaints about lockfiles that we don't want otherwise. See <https://github.com/actions/setup-node/issues/928>.
	# cache: 'npm'

	- name: Install prerequisites
	run: \|
	set -ex
	packages=(
	clang-tidy
	cppcheck
	jq
	libfreetype-dev
	libfribidi-dev
	libharfbuzz-dev
	libjpeg-turbo8-dev
	libpng-dev
	libunibreak-dev
	libutf8proc-dev
	libwebp-dev
	libxml2-utils
	libzstd-dev
	)
	sudo apt-get update && sudo apt-get install --no-install-recommends "${packages[@]}"
	# We need a more recent version of libunibreak for `lb_get_char_class` support.
	wget http://ftp.debian.org/debian/pool/main/libu/libunibreak/libunibreak{6,-dev}_6.1-2_amd64.deb
	sudo dpkg -i *.deb
	# Install stylelint.
	npm init --yes
	npm install stylelint stylelint-config-standard

	- name: Setup problem matchers
	run: \|
	set -x
	echo '::remove-matcher owner=eslint-compact::'
	echo '::remove-matcher owner=eslint-stylish::'
	echo '::remove-matcher owner=tsc::'
	echo '::add-matcher::.github/problem-matchers.json'

	- name: Lint
	run: ./utils/lint.sh 2>&1

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