libgtop procmap.c:106: error: storage size of 'vnode' isn't known

[Randy Bush]

have searched archive
log analyser claims no knowledge

very -current

 cc -DHAVE_CONFIG_H -I. -I. -I../.. -D_IN_LIBGTOP -D_GNU_SOURCE -DGLIBTOP_NAMES -I../.. -I../.. -I../../sysdeps/freebsd -I../../include -I/usr/local/include/glib-2.0 -I/usr/local/lib/glib-2.0/include -Wall -Wchar-subscripts -Wmissing-declarations -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wcast-align -Wsign-compare -fno-strict-aliasing -O -pipe -march=pentiumpro -I/usr/X11R6/include -DGTOPLOCALEDIR=\"/usr/X11R6/share/locale\" -DLIBGTOP_VERSION=\"2.6.0\" -DLIBGTOP_SERVER_VERSION=\"5\" -DLIBGTOP_VERSION_CODE=2006000 -DLIBGTOP_SERVER=\"/usr/X11R6/bin/libgtop_server2\" -I/usr/local/include -Wall -Wchar-subscripts -Wmissing-declarations -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wcast-align -Wsign-compare -fno-strict-aliasing -O -pipe -march=pentiumpro -c procmap.c  -fPIC -DPIC -o .libs/procmap.o
procmap.c: In function `glibtop_get_proc_map_p':
procmap.c:106: error: storage size of 'vnode' isn't known
procmap.c:106: warning: unused variable `vnode'
gmake[3]: *** [procmap.lo] Error 1
gmake[3]: Leaving directory `/usr/ports/devel/libgtop2/work/libgtop-2.6.0/sysdeps/freebsd'
gmake[2]: *** [all-recursive] Error 1
gmake[2]: Leaving directory `/usr/ports/devel/libgtop2/work/libgtop-2.6.0/sysdeps'
gmake[1]: *** [all-recursive] Error 1
gmake[1]: Leaving directory `/usr/ports/devel/libgtop2/work/libgtop-2.6.0'
gmake: *** [all-recursive-am] Error 2
*** Error code 2