pgsql: Fix check for empty hostname.

From: Heikki Linnakangas <heikki(dot)linnakangas(at)iki(dot)fi>
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Fix check for empty hostname.
Date: 2017-07-10 12:32:02
Message-ID: E1dUXr8-00054i-8d@gemulon.postgresql.org
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Fix check for empty hostname.

As reported by Arthur Zakirov, Gcc 7.1 complained about this with
-Wpointer-compare.

Discussion: https://www.postgresql.org/message-id/CAKNkYnybV_NFVacGbW=VspzAo3TwRJFNi+9iBob66YqQMZopwg@mail.gmail.com

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/4d06f1f858d0fea01a2cde74d8b831a823776355

Modified Files
--------------
src/interfaces/libpq/fe-connect.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

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