Fix crash when multiple objects are printed, and the first one isn't … #60

	name: C/C++ Release candidate ubuntu-GTK3

	on:
	push:
	branches:
	- rc

	jobs:
	build:

	runs-on: ubuntu-20.04

	env:
	EXEC_NAME: "${{ github.event.repository.name }}"
	steps:
	- uses: actions/checkout@v2
	with:
	ref: 'rc'
	- name: Setup cmake
	uses: jwlawson/[email protected]
	with:
	cmake-version: '3.16.x'
	- name: update submodule profiles
	working-directory: ./resources/profiles
	run: git submodule update --init
	- name: change date in version
	run: sed -i "s/+UNKNOWN/_$(date '+%F')/" version.inc
	- name: update clock
	run: sudo hwclock -s
	- name: update apt
	run: sudo apt update
	- name: install gtk3 glew
	run: sudo apt install libgtk-3-dev libglew-dev libudev-dev libdbus-1-dev gettext
	- name: build deps & slicer
	run: ./BuildLinux.sh -ds
	- name: make .pot
	working-directory: ./build
	run: make gettext_make_pot
	- name: build tar & appimage
	working-directory: ./build
	run: src/BuildLinuxImage.sh -i
	- name: Upload artifact
	uses: actions/[email protected]
	with:
	name: rc_linux_gtk3.tar
	path: build/${{ github.event.repository.name }}.tar
	- name: Upload appimage
	uses: actions/[email protected]
	with:
	name: rc-${{ github.event.repository.name }}-gtk3.AppImage
	path: build/${{ github.event.repository.name }}_ubu64.AppImage

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