Don't send uninitialized memory (two instances of 4 bytes) in
every cookie on the wire. This bug was reported in
https://bugzilla.mozilla.org/show_bug.cgi?id=905080

MFC after: 3 days
sh: Recognize "--" as end of options in local builtin.
Some objects - such as *_genassym.o are not hooked into
SRCS OBJS or anything else, yet have a dependency on symlinks
such as machine/

Reviewed by: obrien