fs-utils: fix xlint, add archs=~*-musl

The package uses various glibc specific headers and won't build for *-musl.
The LICENSE files is missing in the archive so download from github.com.

srcpkgs/fs-utils/template

@@ -1,7 +1,8 @@
 # Template file for 'fs-utils'.
 pkgname=fs-utils
 version=1.10
-revision=1
+revision=2
+archs="~*-musl"
 build_style=gnu-configure
 configure_args="--disable-static"
 makedepends="netbsd-rumpkernel-devel"
@@ -9,5 +10,12 @@ short_desc="NetBSD File System Access Utilities in Userland"
 maintainer="Orphaned <orphan@voidlinux.org>"
 license="BSD"
 homepage="https://github.com/rumpkernel/fs-utils"
-distfiles="$homepage/archive/v$version.tar.gz"
-checksum=0f63aa92f673f290d4bca9009ca6f213e70ac70519c5cdac3fa64acf5afa5bae
+distfiles="$homepage/archive/v$version.tar.gz
+ https://raw.githubusercontent.com/rumpkernel/fs-utils/master/LICENSE"
+checksum="0f63aa92f673f290d4bca9009ca6f213e70ac70519c5cdac3fa64acf5afa5bae
+ 228892fd0f669ee3051aee19f8660e4719bee9bd70c1b02adcaee518d4155866"
+skip_extraction="LICENSE"
+
+post_install() {
+	vlicense ${XBPS_SRCDISTDIR}/${pkgname}-${version}/LICENSE
+}