CLDSRV-864: add an error listener to TrailingChecksumTransform#6092

bert-e merged 1 commit intodevelopment/9.4scality/cloudserver:development/9.4from

bugfix/CLDSRV-864-crash-TrailingChecksumTransform-unhandled-errorscality/cloudserver:bugfix/CLDSRV-864-crash-TrailingChecksumTransform-unhandled-errorCopy head branch name to clipboard