Merge pull request #5857 from ceph/wip-da-SCA-20150812

SCA and compiler warning fixes

Reviewed-by: Kefu Chai <kchai@redhat.com>

diff --cc src/.gitignore
Simple merge

diff --cc src/mds/MDSDaemon.cc
Simple merge

diff --cc src/os/KeyValueStore.cc
Simple merge

diff --cc src/os/newstore/NewStore.cc
Simple merge

diff --cc src/osd/OSD.cc
Simple merge

diff --cc src/osd/ReplicatedPG.cc
Simple merge

diff --cc src/osdc/Objecter.cc
Simple merge