Copy stable/9 to releng/9.3 as part of the 9.3-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

MFC: tcpdump 4.4.0.

Clean some 'svn:executable' properties in the tree.

Submitted by: Christoph Mallon

While here, merge some other mergeinfo properties that
were left behind from my commits

/head/include:r241008,241141,241181
/head/contrib/gcc:r244776,244792
/head/cddl:r238457,238509,238558

Copy head to stable/9 as part of 9.0-RELEASE release cycle.

Approved by: re (implicit)

Merge tcpdump-4.1.1.

Merge tcpdump 4.0.0 from the vendor branch.

This commit was generated by cvs2svn to compensate for changes in r146773,
which included commits to RCS files with non-trunk default branches.

Virgin import of tcpdump v3.9.1 (alpha 096) from tcpdump.org