This introduces the [+-]FATAL marker for SAL_LOG. This way you can
set part of the matching SAL_LOG string to std::abort on match.
The example "SAL_LOG=+FATAL+WARN.vcl.scheduler-FATAL+INFO" will
abort for any "+WARN.vcl.scheduler" match, but will just print all
additional "+INFO" logs.
Change-Id: Ib77f194a78f5165e6c885c82374ae41293815ee9
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/97651
Tested-by: Jenkins
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>
b9d93fc47b