* limit the heap to 16kb in the i8086 far data memory models for the dos unit
  tests that execute a child process. Otherwise, by default, all DOS memory is
  reserved in these memory models, there's no DOS memory left for the child
  process and exec() fails.



git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@28061 3ad0048d-3df7-0310-abae-a5850022a9f2