pgsql: As part of previous commit, add pg_restore option: -1 or

Log Message:
-----------
As part of previous commit, add pg_restore option:

-1 or --single-transaction

Simon Riggs

Modified Files:
--------------
pgsql/src/bin/pg_dump:
pg_restore.c (r1.74 -> r1.75)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_dump/pg_restore.c.diff?r1=1.74&r2=1.75)