Fix 'includes' support so that included files aren't treated as
direct dependencies during the command execution phase. If an
included file failed to build, make1() would bypass the including
file.
Now make0() appends each child's 'includes' onto its own 'depends'
list, eliminating 'includes'-specific code in make0() and make1().
This not only fixes the bug, but removes some complexity as well.
Bug fix documented in RELNOTES.
=== computer:1666: Change 38399 by seiwald@play-seiwald on 2002/12/03 16:00:40