[pgpool-committers: 2074] 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_0_STABLE

Details
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http://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=c5679cc0120b8c56731ae45e4c1e2b9b35d06273

Modified Files
--------------
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 ++++-------
9 files changed, 34 insertions(+), 48 deletions(-)