Can't buildworld at r350321

  Hi.
  I want to update 13-current from r349989 to r350321 as follows.
  
% cd /usr/src
% pwd
/usr/altlocal/freebsd-current/src
% df -h .
Filesystem                   Size    Used   Avail Capacity  Mounted on
192.168.1.2:/usr/altlocal    2.5T    930G    1.6T    37%    /usr/altlocal
% svn up -r 350321
% time make -j4 buildworld
(snip)
--- all_subdir_lib/libsysdecode ---
===> lib/libsysdecode (all)
make[5]: make[5]: don't know how to make /usr/altlocal/freebsd-current/obj/usr/altlocal/freebsd-current/src/amd64.amd64/obj-lib32/tmp/sys/netinet/in.h. Stop

make[5]: stopped in /usr/altlocal/freebsd-current/src/lib/libsysdecode
(snip)
make: stopped in /usr/altlocal/freebsd-current/src
20974.852u 3569.891s 2:17:32.86 297.4%  60110+3554k 183950+308232io 225686pf+0w

  I can buildworld at r349989 without errors.
-- 
Masachika ISHIZUKA