[pgpool-committers: 2984] pgpool: Add some warning messages for wd_authkey hash calculation failu

[Yugo Nagata]

Add some warning messages for wd_authkey hash calculation failure

Sometimes wd_authkey calculation fails for some reason other than
authkey mismatch. The additional messages make these distingushable
for each other.

Branch
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V3_5_STABLE

Details
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http://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=8169acc01d24b0b6a73e323f84edd488c0735c71

Modified Files
--------------
src/watchdog/watchdog.c     |  6 ++++++
src/watchdog/wd_heartbeat.c |  8 ++++++++
src/watchdog/wd_utils.c     | 20 ++++++++++++++++----
3 files changed, 30 insertions(+), 4 deletions(-)