Changes from previous version are:
+ Fix a single byte buffer overflow. Can only be a NUL byte that
overflows, not believed (at this stage!) to be exploitable in any
way.
+ Avoid null-pointer dereference if getpwuid(getuid()) fails.
${LOCALBASE}/etc, and is the parent directory of the priv package's
user configuration data.
Modify Makefile to pick up this definition, and pass it on as an argument
to the configure script.
Modify the PLIST to include this location, and pre-process the PLIST at
install time to set the correct location.
