Update ext volume ID to support ext4 for blkid

    volume_id/ext: detect ext4 too

    function                                             old     new   delta
    volume_id_probe_ext                                  108     132     +24

    Signed-off-by: Dees Troy<dees_troy@teamw.in>
    Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

    Patchset 2: use upstream commit

Change-Id: Idc50310af917f4b9cbbe51060850badc57945998
1 file changed