i2o_exec_lct_modified() does not release memory allocated for work_struct.
Signed-off-by: NVasily Averin <vvs@sw.ru>

Although your patch is the same, i've rewritten it a little bit for
naming consistency in the I2O driver.
Acked-by: NMarkus Lidel <Markus.Lidel@shadowconnect.com>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>