tm: remove extra + used before MAXFWD_HEADER_LEN #4


	---
	name: build devcontainer image
	'on':
	push:
	branches:
	- 5.8
	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:
	inputs:
	force:
	required: true
	type: boolean
	default: false

	env:
	DIST: bookworm

	jobs:
	build:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 2

	- name: print latest_commit
	run: echo ${{ github.sha }}

	- name: Get changed files
	if: ${{ ! inputs.force }}
	id: changed-files
	uses: tj-actions/changed-files@v42
	with:
	since_last_remote_commit: true

	- name: changes in relevant files
	if: ${{ ! inputs.force }}
	id: changed-files-builder
	uses: tj-actions/changed-files@v42
	with:
	files: \|
	.devcontainer/**
	pkg/kamailio/deb/${{ env.DIST }}/**

	- name: Login to GitHub Container Registry
	if: steps.changed-files-builder.outputs.any_changed == 'true' \|\| inputs.force
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Pre-build dev container image
	if: steps.changed-files-builder.outputs.any_changed == 'true' \|\| inputs.force
	uses: devcontainers/ci@v0.3
	with:
	imageName: ghcr.io/${{ github.repository_owner }}/kamailio-${{ github.ref_name }}-devcontainer
	cacheFrom: ghcr.io/${{ github.repository_owner }}/kamailio-${{ github.ref_name }}-devcontainer
	push: always

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