HPCC-8442 Using libXSLT to process esp_service.xsl fails

Signed-off-by: Gleb Aronsky <gleb.aronsky@lexisnexis.com>
Merge branch 'issue-8442_esp_sevice_xsl_fails_in_libxslt' into candidate-3.10.0

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>