Thread: pgsql: pg_upgrade: update C comments about pg_dumpall

pg_upgrade:  update C comments about pg_dumpall

There were some C comments that hadn't been updated from the switch of
using only pg_dumpall to using pg_dump and pg_dumpall, so update them.
Also, don't bother using --schema-only for pg_dumpall --globals-only.

Backpatch through 9.4

Branch
------
REL9_4_STABLE

Details
-------
http://git.postgresql.org/pg/commitdiff/4dc3df9d193838060ec97dd29899e33676796ab5

Modified Files
--------------
contrib/pg_upgrade/check.c      |    6 +++---
contrib/pg_upgrade/dump.c       |    4 ++--
contrib/pg_upgrade/exec.c       |    1 +
contrib/pg_upgrade/function.c   |    2 +-
contrib/pg_upgrade/info.c       |    2 +-
contrib/pg_upgrade/pg_upgrade.c |    2 +-
6 files changed, 9 insertions(+), 8 deletions(-)