Update license header
Update license header
goneall/SPDX-Tools,romeara/spdx-tools,sschuberth/spdx-tools,yevster/tools,sschuberth/spdx-tools,goneall/SPDX-Tools,rtgdk/tools,romeara/spdx-tools,sschuberth/spdx-tools,goneall/SPDX-Tools,rtgdk/tools,yevster/tools,yevster/tools,rtgdk/tools,romeara/spdx-tools,sschuberth/spdx-tools,sschuberth/spdx-tools,yevster/tools,yevster/tools