FreeBSD 10 buildworld failing on ORGANIZATION_NAME

[sindrome]

> /usr/src/usr.bin/svn/svn/../../../contrib/subversion/subversion/svn/ut
> il.c:4
> 16:7: error: expected ')'
>       ORGANIZATION_NAME
>       ^
> ./freebsd-organization.h:1:27: note: expanded from macro 'ORGANIZATION_NAME'
> #define ORGANIZATION_NAME _____________
>                           ^
> /usr/src/usr.bin/svn/svn/../../../contrib/subversion/subversion/svn/ut
> il.c:4
> 14:27: note: to match this '('
>   svn_stringbuf_appendcstr(default_msg, "Sponsored by:\t"
>                           ^
> 1 error generated.
> *** Error code 1
>
> Stop.
> bmake[4]: stopped in /usr/src/usr.bin/svn/svn
> *** Error code 1
>
> Stop.
> bmake[3]: stopped in /usr/src/usr.bin/svn
> *** Error code 1
>
> Stop.
> bmake[2]: stopped in /usr/src/usr.bin
> *** Error code 1
>
> Stop.
> bmake[1]: stopped in /usr/src
> *** Error code 1
>
> Stop.
> bmake: stopped in /usr/src
> *** [buildworld] Error code 1
>
> Stop in /usr/src.

>From /usr/src/contrib/subversion/subversion/svn/util.h:
#ifdef HAS_ORGANIZATION_NAME
#include "freebsd-organization.h"
#endif

I don't find any such file named "freebsd-organization.h"
(at least on 10-stable).

Do you have anything weird defined in /etc/make.conf?

Here's what's in my /etc/make.conf

cat /etc/make.conf
KERNCONF=FOOBAR
BATCH?=yes
WITH_PKGNG=yes