build-sys: fix dist(check)
build-sys: fix dist(check)

miguelinux/gummiboot2systemd-boot,todorez/tummiboot,aaronp24/gummiboot,trilean/gummiboot,todorez/tummiboot,todorez/gummiboot-multiboot2,liliang365/my_gummiboot,FrozenCow/gummiboot,freedesktop-unofficial-mirror/gummiboot,liliang365/my_gummiboot,FrozenCow/gummiboot,freedesktop-unofficial-mirror/gummiboot,aaronp24/gummiboot,todorez/gummiboot-multiboot2,trilean/gummiboot,miguelinux/gummiboot2systemd-boot