spacing issue in validation file #254

	# Copyright (c) 2023 Hartmut Kaiser
	#
	# SPDX-License-Identifier: BSL-1.0
	# Distributed under the Boost Software License, Version 1.0. (See accompanying
	# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

	name: Linux CI (Release)

	on:
	push:
	branches:
	- main
	pull_request:

	jobs:
	build:
	runs-on: ubuntu-latest
	container: stellargroup/chplx_build_env:latest

	steps:
	- uses: actions/checkout@v3
	- name: Install dependencies
	shell: bash
	run: \|
	mkdir -p /tmp/hpx
	cd /tmp/hpx
	git clone --branch master --single-branch --depth 1 \
	https://github.com/STEllAR-GROUP/hpx.git
	mkdir -p build
	cd build
	cmake \
	../hpx \
	-GNinja \
	-DCMAKE_CXX_FLAGS=-stdlib=libc++ \
	-DCMAKE_BUILD_TYPE=Release \
	-DHPX_WITH_CXX_STANDARD=20 \
	-DHPX_WITH_UNITY_BUILD=ON \
	-DHPX_WITH_MALLOC=system \
	-DHPX_WITH_EXAMPLES=OFF \
	-DHPX_WITH_TESTS=OFF
	ninja install
	mkdir - p /tmp/fmt
	cd /tmp/fmt
	git clone --branch 9.1.0 --single-branch --depth 1 \
	https://github.com/fmtlib/fmt.git
	mkdir -p build
	cd build
	cmake ../fmt -GNinja \
	-DCMAKE_CXX_FLAGS=-stdlib=libc++ \
	-DCMAKE_BUILD_TYPE=Release \
	-DCMAKE_CXX_STANDARD=20 \
	-DFMT_TEST=OFF
	ninja install
	- name: Configure
	shell: bash
	run: \|
	cmake . \
	-Bbuild \
	-GNinja \
	-DCMAKE_BUILD_TYPE=Release
	- name: Build
	shell: bash
	run: \|
	cmake --build build --target all
	cmake --build build --target tests.unit.backend_dir
	cmake --build build --target tests.unit.library_dir
	- name: Test
	shell: bash
	run: \|
	cd build
	ctest --output-on-failure

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