[pgpool-committers: 811] pgpool: Replace double quote to single quote.

[Yugo Nagata]

Replace double quote to single quote.

Branch
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V3_1_STABLE

Details
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http://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=47b0bc5e6a2f8a3216a84bc9b8716f64c4e7548b

Modified Files
--------------
pgpool.conf.sample              |    2 +-
pgpool.conf.sample-master-slave |    2 +-
pgpool.conf.sample-replication  |    2 +-
pgpool.conf.sample-stream       |    2 +-
4 files changed, 4 insertions(+), 4 deletions(-)