build 251600 broken : lib/libprocstat/zfs ...

fyi ...

===> lib/libprocstat/zfs (depend)
rm -f .depend
CC='cc ' mkdep -f .depend -a 
-I/src/lib/libprocstat/zfs/../../../sys/cddl/compat/opensolaris 
-I/src/lib/libprocstat/zfs/../../../cddl/compat/opensolaris/include 
-I/src/lib/libprocstat/zfs/../../../cddl/compat/opensolaris/lib/libumem 
-I/src/lib/libprocstat/zfs/../../../cddl/contrib/opensolaris/lib/libzpool/common 
-I/src/lib/libprocstat/zfs/../../../sys/cddl/contrib/opensolaris/uts/common/fs/zfs 
-I/src/lib/libprocstat/zfs/../../../sys/cddl/contrib/opensolaris/uts/common 
-I/src/lib/libprocstat/zfs/../../../sys/cddl/contrib/opensolaris/uts/common/sys 
-I/src/lib/libprocstat/zfs/../../../cddl/contrib/opensolaris/head 
-I/src/lib/libprocstat/zfs/.. -DNEED_SOLARIS_BOOLEAN -std=gnu99 
/src/lib/libprocstat/zfs/../zfs.c
In file included from /src/lib/libprocstat/zfs/../zfs.c:39:
In file included from 
/src/lib/libprocstat/zfs/../../../cddl/contrib/opensolaris/lib/libzpool/common/sys/zfs_context.h:51:
In file included from 
/src/lib/libprocstat/zfs/../../../cddl/compat/opensolaris/include/unistd.h:33:
/obj/amd64.amd64/src/tmp/usr/include/unistd.h:355:16: error: too few 
arguments provided to function-like macro invocation
int      pause(void);
                    ^
/obj/amd64.amd64/src/tmp/usr/include/sys/systm.h:362:9: note: macro 
'pause' defined here
#define pause(wmesg, timo)                                              \