Build with -Wzero-as-null-pointer-constant
As discussed with André on Slack use -W instead of -Werror.
Use SYSTEM for external headers. After updating schaapcommon in WSClean it should solve the build issues reported by Jakob.
As discussed with André on Slack use -W instead of -Werror.
Use SYSTEM for external headers. After updating schaapcommon in WSClean it should solve the build issues reported by Jakob.