PATCH: (cobweb removal) wrong # of args to gen_call

[Jeffrey A Law]

  In message < Pine.SOL.3.91.1000723121111.20347A-100000@cse.cygnus.com >you writ
e:
  >   I actually have i860 hardware, believe it or not! I'm trying to see if
  >   I can revive the i860 back-end from beyond the grave. I've been using
  >   the PGI i860 compiler for the last 7 years, but I'd like to have gcc
  >   going (I guess I'll volunteer be the defacto maintainer of i860 backend).
Scary.

  > > Actually I think the right fix is to use GEN_CALL.  We're trying to avoid
  > > direct calls to gen_call these days.
  > > 
  > 
  >   Okay. I actually just copied from an identical pattern in pa.md
OK.  We probably need to update pa.md too.

jeff