I have culled through the netbsd patches and I think two should be
applied to the general source tree:
1. The configure.in changes to support the various netbsd platforms.
2. A change to src/dired.c to use NAME_MAX when it is available.
The vcdiff change comes from emacs and is GPLv3 and cannot be added to
21.4's GPLv2 codebase.
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