pcp updates: coverity warnings

[Dave Brolley <brolley@xxxxxxxxxx>]

These changes do not fix any bugs or problems, but are an attempt to 
show coverity that there are no problems in these areas.
Dave
-----------------------------------------------

Changes committed to git://git.pcp.io/brolley/pcp.git master

Dave Brolley (1):
      Attempt to silence benign coverity warnings.

 qa/src/multithread9.c       |    4 +++-
 qa/src/torture_api.c        |    4 ++++
 qa/src/torture_pmns.c       |    1 +
 qa/src/xxx.c                |    1 +
 src/dbpmda/src/util.c       |    1 +
 src/pcp/atop/photosyst.c    |    8 ++++++++
 src/pmdas/root/root.c       |    6 +++---
 src/pmdumplog/pmdumplog.c   |    2 ++
 src/pmlogger/src/callback.c |    1 +
 9 files changed, 24 insertions(+), 4 deletions(-)