HPCC-10585 Incorrect log message in CDistributedFile

rename method in dadfs.cpp logs incorrect class name
EXCLOG(e,"CDistributedFileDirectory::rename");

This fix corrects that to
EXCLOG(e,"CDistributedFile::rename");

Signed-off-by: William Whitehead <william.whitehead@lexisnexis.com>
Merge pull request #5236 from RussWhitehead/logMsg

HPCC-10585 Incorrect log message in CDistributedFile

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>