pgsql: Backpatch: Fix typo in update scripts for some contrib modules.

Backpatch: Fix typo in update scripts for some contrib modules.

Backpatch as discussed in 20140702192641.GD22738@awork2.anarazel.de
ff. as the error messages are user facing and possibly confusing.

Original commit: 6f9e39bc9993c18686f0950f9b9657c7c97c7450

Branch
------
REL9_3_STABLE

Details
-------
http://git.postgresql.org/pg/commitdiff/7b6407d93d78948e44e81a0328b3b26608db2a00
Author: Fujii Masao <fujii@postgresql.org>

Modified Files
--------------
contrib/dblink/dblink--1.0--1.1.sql                         |    2 +-
contrib/hstore/hstore--1.0--1.1.sql                         |    2 +-
contrib/pageinspect/pageinspect--1.0--1.1.sql               |    2 +-
contrib/pg_stat_statements/pg_stat_statements--1.0--1.1.sql |    2 +-
contrib/pg_trgm/pg_trgm--1.0--1.1.sql                       |    2 +-
contrib/pgrowlocks/pgrowlocks--1.0--1.1.sql                 |    4 ++--
6 files changed, 7 insertions(+), 7 deletions(-)