update license information in spec file OBS-URL: https://build.opensuse.org/request/show/355405 OBS-URL: https://build.opensuse.org/package/show/graphics/gifsicle?expand=0&rev=2
adjust %files section OBS-URL: https://build.opensuse.org/request/show/353865 OBS-URL: https://build.opensuse.org/package/show/graphics/gifsicle?expand=0&rev=1