DCAP mover shows incorrect last modified for active transfer

[kofemann]

As shown below, running mover ls twice displays the increasing number of transferred bytes, but the mover last modify time is not updated, so it might be falsely interpreted as a stale mover.

[dcache-head] (local) > \s dcache-324 mover ls 33554435
33554435;DCap-Kerberos-dcache-door:7;01/31-08:42:34;01/31-08:42:34;RUNNING;0000F3A37C1EE00C45A09F9FCE1468B7F67D;B=19844364844;T=368788;L=368;

[dcache-head] (local) > \s dcache-324 mover ls 33554435
33554435;DCap-Kerberos-dcache-door:7;01/31-08:42:34;01/31-08:42:34;RUNNING;0000F3A37C1EE00C45A09F9FCE1468B7F67D;B=19947995680;T=374956;L=374;