[pgpool-committers: 2104] pgpool: Fix coverity issue:1111394 Dereference after null check

[Muhammad Usama]

Fix coverity issue:1111394 Dereference after null check
Fix coverity issue:1111398 Dereference after null check
Fix coverity issue:1111399 Explicit null dereferenced
Fix coverity issue:1111400 Dereference after null check
Fix coverity issue:1111401 Explicit null dereferenced

Branch
------
master

Details
-------
http://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=3a61e1b13db1bc623abac72252e96b800ea99833

Modified Files
--------------
src/parallel_query/pool_rewrite_outfuncs.c |    2 +-
src/parallel_query/pool_rewrite_query.c    |    2 +-
src/protocol/pool_process_query.c          |   30 ++++++++++++++++++----------
src/query_cache/pool_memqcache.c           |    2 +-
src/utils/pool_select_walker.c             |    2 ++
5 files changed, 25 insertions(+), 13 deletions(-)