Add locking support to the version of the sequence file reading code used by the "new" command.  Based on a patch by Harvey Eneman.
Add locking support to the version of the sequence file reading code used
by the "new" command.  Based on a patch by Harvey Eneman.

dscho/nmh,dscho/nmh,mcr/nmh,dscho/nmh,mcr/nmh,dscho/nmh