src/cddl and src/sys/cddl directories per the core@ decision following
the license review.
This change modifies the affected Makefiles to reference the sources
in their new location.
the open file-listing. It is added as a separate source file, so it can
respect WITH_/WITHOUT_CDDL as compile-flags.
- The warnlevel of the Makefile was decreased to quell solaris #pragma
warnings.
- Expect that fstat(1) doesn't work with kernel compiled with
DEBUG_VFS_LOCKS/DEBUG_LOCKS for now.
Approved by: pjd (mentor)
