there is no DeInitVCL in fuzzing, so if the BufferedDecompositionFlusher thread is started nothing causes it to exit before _exit. Change-Id: I62463ce8126a0cf0c67f4218bdf66a140f3a021d Reviewed-on: https://gerrit.libreoffice.org/c/core/+/184731 Tested-by: Jenkins Reviewed-by: Caolán McNamara <caolan.mcnamara@collabora.com>