wu 2.6.2 compiled on RH 7.3 has B in dir listing

Does anybody know why a directory listing has a "B"
in front of the group and size?

[helmsjw@rru1 helmsjw]$ ftp ftp.rr.photomask.com
Connected to ftp.rr.photomask.com (208.222.129.90).
220 rrux03 FTP server (Version wu-2.6.2(2) Thu Jul 24 13:54:37 CDT 2003) ready.
Name (ftp.rr.photomask.com:helmsjw): transfer
331 Password required for transfer.
Password:
230 User transfer logged in.  Access restrictions apply.
Remote system type is UNIX.
Using binary mode to transfer files.
ftp> dir
227 Entering Passive Mode (208,222,129,90,141,154)
150 Opening ASCII mode data connection for directory listing.
total 72
drwxr-xr-x   3 root   B 3      B     4096 Feb 24  2002 bin
drwxr-xr-x   3 root   B 3      B     4096 Feb 24  2002 etc
drwxrwxr-x   9 117    B 20     B    20480 Jul 27 09:00 incoming
lrwxrwxrwx   1 root   B 3      B        7 Feb 25  2002 lib -> usr/lib
drwxrwxr-x   2 117    B 20     B     4096 Apr 19  2004 outgoing
drwxr-xr-x   3 root   B 3      B     4096 Feb 25  2002 usr
226 Transfer complete.
ftp>

This has not been a problem until recently when someone
was attempting to do filesize checks.

Thanks in advance,
John Helms