Fix other small things that got lost in the merge:

Fix other small things that got lost in the merge:

- bde's change to includes section in getrpcent.3
- Lost comment in svc_run.c (the code here was actually the same since
  I had fixed the 'fds + 1' bug in my stuff at home before mailing
  Peter about it, but I didn't notce that he'd made a change to the
  comment right above the changed line).

Also pointed out by the ever vigilant: bde