fix: add .stderr dumfile to log *after* make engine has exited.
STUPID Unrecognised character set name warning
ERROR_INVALID_MEMBER Label not found error (bof instead of buf)
MAIN_SYNTAX_ERROR_1 STRICT instead of STRUCT - gives "syntax error"
H_SYNTAX_ERROR_1 Syntax error in include file
ERROR_MISSING_STRUCT Leave out a struct definition - gives label not found