build: cleanup Generator.proccess_files a bit
build: cleanup Generator.proccess_files a bit

jpakkane/meson,pexip/meson,pexip/meson,mesonbuild/meson,jpakkane/meson,mesonbuild/meson,jpakkane/meson,pexip/meson,jpakkane/meson,jpakkane/meson,jpakkane/meson,pexip/meson,jpakkane/meson,mesonbuild/meson,jpakkane/meson,jpakkane/meson,pexip/meson,pexip/meson,mesonbuild/meson,mesonbuild/meson,mesonbuild/meson,mesonbuild/meson,pexip/meson,mesonbuild/meson,pexip/meson,pexip/meson,mesonbuild/meson,mesonbuild/meson,pexip/meson