update v4l2 (fix compile issue) #181

	#Copy paste from crossterm
	name: termchat ci

	on:
	# Build master branch only
	push:
	branches:
	- master
	# Build pull requests targeting master branch only
	pull_request:
	branches:
	- master

	jobs:
	test:
	name: ${{matrix.rust}} on ${{ matrix.os }}
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, windows-2019, macOS-latest]
	rust: [stable, nightly]
	# Allow failures on nightly, it's just informative
	include:
	- rust: stable
	can-fail: false
	- rust: nightly
	can-fail: true
	steps:
	- name: Checkout Repository
	uses: actions/checkout@v1
	with:
	fetch-depth: 1
	- name: Install Rust
	uses: hecrj/setup-rust-action@master
	with:
	rust-version: ${{ matrix.rust }}
	components: rustfmt,clippy
	- name: Toolchain Information
	run: \|
	rustc --version
	rustfmt --version
	rustup --version
	cargo --version
	- name: Check Formatting
	if: matrix.rust == 'nightly'
	run: cargo fmt --all -- --check
	continue-on-error: ${{ matrix.can-fail }}
	- name: Clippy
	run: cargo clippy --all-features -- -D clippy::all
	continue-on-error: ${{ matrix.can-fail }}
	- name: Test Build
	run: cargo build --all-features
	continue-on-error: ${{ matrix.can-fail }}
	- name: Test default features
	# ui-test feature breaks ci, so we add each feature individually, example: --features featA,featB,featC
	run: cargo test --features stream-video
	continue-on-error: ${{ matrix.can-fail }}

	- name: Test Packaging
	if: matrix.rust == 'stable'
	run: cargo package --all-features
	continue-on-error: ${{ matrix.can-fail }}

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