HPCC-8510 Fixed incorrect function name log_msg_failure to log_failure_msg

Signed-off-by: Michael Gardner <Michael.Gardner@lexisnexis.com>
Merge pull request #6558 from Michael-Gardner/HPCC-8510

HPCC-8510 Dafilesrv error not displayed

Reviewed-By: Xiaoming Wang <xiaoming.wang@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>