gmake complaining about sys/mman.h

[walt]

I did two things this morning:  I updated my DragonFly-current
machine, and I then I updated pkgsrc.

Now, when I try to build gedit I get this error:

In file included from gedit-document-loader.c:35:
/usr/include/sys/mman.h:142: error: syntax error before "mode_t"
/usr/include/sys/mman.h:145: error: syntax error before "size_t"
/usr/include/sys/mman.h:148: error: syntax error before "size_t"
/usr/include/sys/mman.h:150: error: syntax error before "size_t"
/usr/include/sys/mman.h:151: error: syntax error before "size_t"
/usr/include/sys/mman.h:152: error: syntax error before "size_t"
/usr/include/sys/mman.h:153: error: syntax error before "size_t"
/usr/include/sys/mman.h:155: error: syntax error before "size_t"
/usr/include/sys/mman.h:156: error: syntax error before "size_t"
/usr/include/sys/mman.h:157: error: syntax error before "size_t"

I built gedit only a few days ago with no problem, so something
clearly changed.  Any ideas?