Log Message:
-----------
Fix pg_dumpall to do something sane when a pre-8.1 installation has
identically named user and group: we merge these into a single entity
with LOGIN permission. Also, add ORDER BY commands to ensure consistent
dump ordering, for ease of comparing outputs from different installations.
Modified Files:
--------------
pgsql/src/bin/pg_dump:
pg_dumpall.c (r1.73 -> r1.74)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_dump/pg_dumpall.c.diff?r1=1.73&r2=1.74)