BUG #13741: vacuumdb does not accept valid password

The following bug has been logged on the website:

Bug reference: 13741
Logged by: Eric Brown
Email address: brown(at)fastmail(dot)com
PostgreSQL version: 9.5beta1
Operating system: CentOS 6.6
Description:

I am trying to vacuum a database from a remote computer. It appears that
vacuumdb is not accepting my password, though psql connects just fine.
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browne1(at)reslin3 ~/Desktop> vacuumdb -z -j 24 -h reslin1.enhnet.org -p 5433
127
vacuumdb: vacuuming database "browne1"
Password:
Password:
Password:
vacuumdb: could not connect to database browne1: FATAL: password
authentication failed for user "browne1"
browne1(at)reslin3 ~/Desktop> psql -h reslin1.enhnet.org -p 5433
1
Password:
psql (9.5beta1)
Type "help" for help.

browne1=#
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