[pgpool-committers: 2780] pgpool: Fixing coverity issues.

[Muhammad Usama]

Fixing coverity issues.

The commit fixes the following coverity scan issues
1332232, 1332233, 1332234, 1332235, 1332213,
1332222, 1332214, 1332220, 1332221, 1332223,
1332224, 1332225, 1332226, 1332227, 1332228,
1332217, 1332218, 1332215, 1332229, 1332231,
1332230, 1332212

Branch
------
master

Details
-------
http://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=c2b32069c31a04b5eb3fb95a8b0c9e3ddeb3a70d

Modified Files
--------------
src/include/watchdog/wd_json_data.h |    4 +-
src/libs/pcp/pcp.c                  |    6 +-
src/main/pgpool_main.c              |    8 +-
src/watchdog/watchdog.c             |  218 ++++++++++++++---------------------
src/watchdog/wd_commands.c          |   54 +++------
src/watchdog/wd_if.c                |    1 -
src/watchdog/wd_json_data.c         |  133 ++++++++++++++++++---
src/watchdog/wd_lifecheck.c         |   20 +++-
8 files changed, 246 insertions(+), 198 deletions(-)