Clarify pg_upgrade install instructions, per suggestion from Robert Haas.
Branch------master
Details-------http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=902aae5ec58f71b8d9f7efb5ed474d0f5439439d
Modified Files--------------doc/src/sgml/pgupgrade.sgml | 4 ++--1 files changed, 2 insertions(+), 2 deletions(-)
