clarify "ok" and "pass"

a small one.
I have a few more but just run out of cycles for now;
if you dont mind holding before releasing for a short while so i can
get them out I will appreciate it.

cheers,
jamal

[DOC]: clarify "ok" and "pass"

A small fixup to elucidate the mysteries of accepting ..
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>

doc/actions/actions-general

@@ -65,7 +65,7 @@ action police mtu 4000 rate 1500kbit burst 90k
 { drop, pass, reclassify, continue}
 (If you have others, no listed here give me a reason and we will add them)
 +drop says to drop the packet
-+pass says to accept it
++pass and ok (are equivalent) says to accept it
 +reclassify requests for reclassification of the packet
 +continue requests for next lookup to match