Make iteration_info static

[Jeffrey A Law]

  In message < m0zm4Rs-00038PC@ocean.lucon.org >you write:
  > Hi,
  > 
  > I couldn't find anywhere iteration_info is used outside of unroll.c.
  > If it has to be global, the prototype should be in loop.h.
  > 
  > BTW, I don't know why config/c4x/c4x.c declares it. I didn't see it
  > use iteration_info.
  > 
  > Thanks.
  > 
  > 
  > -- 
  > H.J. Lu (hjl@gnu.org)
  > ---
  > Fri Dec  4 08:04:18 1998  H.J. Lu  (hjl@gnu.org)
  > 
  > 	* unroll.c (iteration_info): Make it static.
Thanks.  Installed.

jeff