minor pathchk doc fix

[Paul Eggert]

I installed this, since pathchk as of 2004-09-21 wants options before
operands:

2004-10-24  Paul Eggert  <address@hidden>

        * coreutils.texi (pathchk invocation): Options must precede operands.

Index: coreutils.texi
===================================================================
RCS file: /fetish/cu/doc/coreutils.texi,v
retrieving revision 1.221
retrieving revision 1.222
diff -p -u -r1.221 -r1.222
--- coreutils.texi      18 Oct 2004 06:29:51 -0000      1.221
+++ coreutils.texi      25 Oct 2004 03:20:02 -0000      1.222
@@ -10178,6 +10178,7 @@ A nonexistent @var{name} is not an error
 name could be created under the above conditions.
 
 The program accepts the following option.  Also see @ref{Common options}.
+Options must precede operands.
 
 @table @samp