rc.conf; add note about "flags" to both files

[Giorgos Keramidas]

Hi all,

Does the attached patch look like a good way to resolve PR docs/35648?
For the audit trail of the PR, see:

	http://www.FreeBSD.org/cgi/query-pr.cgi?pr=35648

% Index: rc.conf
% ===================================================================
% RCS file: /home/ncvs/src/etc/defaults/rc.conf,v
% retrieving revision 1.235
% diff -u -r1.235 rc.conf
% --- rc.conf	15 Dec 2004 12:39:28 -0000	1.235
% +++ rc.conf	24 Jan 2005 21:03:22 -0000
% @@ -1,5 +1,4 @@
%  #!/bin/sh
% -#
%  
%  # This is rc.conf - a file full of useful variables that you can set
%  # to change the default startup behavior of your system.  You should
% @@ -13,6 +12,9 @@
%  #
%  # All arguments must be in double or single quotes.
%  #
% +# For a more detailed explanation of all the rc.conf variables, please
% +# refer to the rc.conf(5) man page.
% +#
%  # $FreeBSD: src/etc/defaults/rc.conf,v 1.235 2004/12/15 12:39:28 brian Exp $
%  
%  ##############################################################