netbsd-6 build failure

[Edgar Fuß <ef%math.uni-bonn.de@localhost>]

Running an unpriviledged build of a current netbsd-6 source tree fails with

======  3 missing files in DESTDIR  ========
Files in flist but missing from DESTDIR.
File wasn't installed ?
------------------------------------------
./usr/share/zoneinfo/Asia/Khandyga
./usr/share/zoneinfo/Asia/Ust-Nera
./usr/share/zoneinfo/Europe/Busingen
========  end of 3 missing files  ==========
*** [checkflist] Error code 1

I'm not sure whether this is the right place to report this.