* Try to call tarwriter.addfile multiple times
  in case of failure.
  Output default '###File Open failed###' string if failed 5 times
  Write out error message at exit.
  Fail only if primary file log, dbdigest.cfg or longlog writing failed.


git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29271 3ad0048d-3df7-0310-abae-a5850022a9f2
 Retry opening using read only mode for input file in CopyFile function, never generate an error

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29272 3ad0048d-3df7-0310-abae-a5850022a9f2