iwlegacy: change IL_ERR to D_HT in iwl4965_rs_tl_turn_on_agg_for_tid

This message should be a debug message and not an error.

Signed-off-by: Greg Dietsche <Gregory.Dietsche@cuw.edu>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
1 file changed