Refs #10216.  Solved all 5 reported issue.

On branch feature/10216_correct_coverity
Changes to be committed:

      modified:   ../Mantid/Framework/DataHandling/src/LoadVulcanCalFile.cpp
      modified:   ../Mantid/Framework/DataHandling/src/SaveCalFile.cpp
Merge remote-tracking branch 'origin/bugfix/10216_correct_coverity'