As result of this, a new examples package is now created.
Note, this is only effective with 'SHARED=copies' (the default),
as the 'SHARED=symlinks' mechanism will create a symlink to the
source tree version of the file(s).
Sponsored by: The FreeBSD Foundation
- Rename "aux.[ch]" to "util.[ch]" which is a more common name for
utility functions and allows checkout on some non-FreeBSD systems
where the "aux.*" namespace is reserved.
- Fix some compile warnings while at it.
PR: usb/183728
MFC after: 2 weeks