HPCC-11021 Check if parsing is being aborted before looping again.

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>
Merge pull request #5530 from ghalliday/issue11021

HPCC-11021 Check if parsing is being aborted before looping again.

Reviewed-By: Jamie Noss <james.noss@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>