build-sys: fix build with zlib/xz after private lib
build-sys: fix build with zlib/xz after private lib

Distrotech/kmod,lpereira/kmod,lucasdemarchi/kmod,lpereira/kmod,lpereira/kmod,pmmccorm/kmod,lucasdemarchi/kmod,pmmccorm/kmod,Distrotech/kmod,Distrotech/kmod,lucasdemarchi/kmod,pmmccorm/kmod