From: Pavel Emelyanov <redacted>
Date: Fri, 29 Feb 2008 19:12:30 +0300

The seq_file_operations' dev_mc_seq_xxx callbacks do the same 
thing as the dev_seq_xxx ones do, but skip the SEQ_START_TOKEN.

So use the existing exported dev_seq_xxx calls and handle the 
SEQ_START_TOKEN in the dev_mc_seq_show().

Signed-off-by: Pavel Emelyanov <redacted>

Nice simplification, applied.