Buildworld error: yacc: e - line 393 of "/usr/src/usr.bin/xlint/lint1/cgram.y", syntax error

[Gelsema, P (Patrick)]

===> usr.bin/xlint/lint1 (obj,depend,all,install)
/usr/obj/usr/src/tmp/usr/src/usr.bin/xlint/lint1 created for
/usr/src/usr.bin/xlint/lint1
yacc -d -o cgram.c /usr/src/usr.bin/xlint/lint1/cgram.y
lex -t  /usr/src/usr.bin/xlint/lint1/scan.l > scan.c
yacc: e - line 393 of "/usr/src/usr.bin/xlint/lint1/cgram.y", syntax error
                        warning(3, ts == STRUCT ? "struct" :
                               ^
*** Error code 1
1 error
*** Error code 2
1 error
*** Error code 2
1 error
*** Error code 2

I keep on having problems with installing FreeBSD on this box...
considering Friday the 13th already passed. ;-D

Rgds,

Patrick