lib/sysfs: fix compiler warning [-Wunused-variable]

Signed-off-by: Karel Zak <kzak@redhat.com>
libblkid: fix compiler warning [-Wimplicit-function-declaration]

Signed-off-by: Karel Zak <kzak@redhat.com>
build-sys: add non-libsmartcols.conf

Signed-off-by: Karel Zak <kzak@redhat.com>
tests: update build tests

Signed-off-by: Karel Zak <kzak@redhat.com>
lscpu: fix ifdef HAVE_sys_io_h [checkconfig]

Signed-off-by: Karel Zak <kzak@redhat.com>
lib/fileutils: xalloc stuff in library-like code

Signed-off-by: Karel Zak <kzak@redhat.com>
mount: fix man page [checkmans]

Signed-off-by: Karel Zak <kzak@redhat.com>