[pgpool-committers: 2135] pgpool: fixing small coverity issues: 751966 Argument cannot be negativ

[Muhammad Usama]

fixing small coverity issues: 751966 Argument cannot be negative,
1111399 Explicit null dereferenced and 1111488 Uninitialized scalar variable

Branch
------
master

Details
-------
http://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=865821cd60ad131e5fd85437073e2e4899018c31

Modified Files
--------------
src/main/main.c                   |   19 +++++++++++++------
src/protocol/pool_process_query.c |   16 ++++++++++++----
src/protocol/pool_proto_modules.c |    2 +-
3 files changed, 26 insertions(+), 11 deletions(-)