[pgpool-committers: 2073] pgpool: Back porting coverity issues fix patch from master branch.

[Muhammad Usama]

Back porting coverity issues fix patch from master branch.
Fix coverity issue:1111387 Explicit null dereferenced
Fix coverity issue:1111388 Explicit null dereferenced
Fix coverity issue:1111411 Missing break in switch
Fix coverity issue:1111412 Missing break in switch
Fix coverity issue:1111450 Resource leak
Fix coverity issue:1111451 Resource leak
Fix coverity issue:1111472 Dereference before null check
Fix coverity issue:1111473 Dereference before null check
Fix coverity issue:1111474 Dereference before null check
Fix coverity issue:1111475 Wrong sizeof argument
Fix coverity issue:1111495 Use after free
Fix coverity issue:1111496 Use after free
Fix coverity issue:1222989 Bad bit shift operation
Fix coverity issue:1222990 Bad bit shift operation
Fix coverity issue:1222994 Explicit null dereferenced

Branch
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V3_2_STABLE

Details
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http://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=2592843c3a95b533588eddf770a36596af8413b3

Modified Files
--------------
configure               | 1087 +++++++++++++++++++++++++----------------------
parser/outfuncs.c       |    1 +
parser/pool_string.c    |   31 +-
pool_connection_pool.c  |    2 +-
pool_process_query.c    |    4 +-
pool_proto2.c           |   15 +-
pool_proto_modules.c    |    4 +-
pool_relcache.c         |    5 +-
pool_rewrite_outfuncs.c |    9 +-
pool_timestamp.c        |   11 +-
10 files changed, 605 insertions(+), 564 deletions(-)