Resolve Klocwork c++ issues

Resolve Klocwork c++ issues

Fixed memory leak issue in InProcClientWrapper.cpp
Fixed infinite loop issue in groupclient.cpp, groupserver.cpp,
simpleclient.cpp and simpleclientHQ

Change-Id: I27938f138a069a64ccf000afc16563dc5e9579e2
Signed-off-by: Shilpa Sodani <shilpa.a.sodani@intel.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/255
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Erich Keane <erich.keane@intel.com>
Reviewed-by: Sashi Penta <sashi.kumar.penta@intel.com>
Reviewed-by: Sudarshan Prasad <sudarshan.prasad@intel.com>