XXXX adding PID information to netstat output

*** 1782,1791 ****
--- 1782,1797 ----
          if ((fd = ufalloc(0)) == -1)
                  return (-1);
          setf(fd, fp);
          dp->d_data.d_desc.d_descriptor = fd;
  
+         /* Add pid to the list associated with that descriptor. */
+         if (fp->f_vnode != NULL)
+                 (void) VOP_IOCTL(fp->f_vnode, F_ASSOCI_PID,
+                     (intptr_t)curproc->p_pidp->pid_id, FKIOCTL, kcred, NULL,
+                     NULL);
+ 
          /* Fill in the attributes */
          if (VOP_REALVP(fp->f_vnode, &vp, NULL))
                  vp = fp->f_vnode;
          if (vp && vp->v_type == VDOOR) {
                  if (VTOD(vp)->door_target == curproc)