iostat: code shrink

function                                             old     new   delta
iostat_main                                         2048    2400    +352
is_partition                                          48       -     -48
print_stats_dev_struct                               350       -    -350

Signed-off-by: Maksym Kryzhanovskyy <xmaks@email.cz>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
1 file changed