Fix copyright symbol in docs

--- hg.orig/doc/hg.1.txt	2005-09-22 09:40:47.000000000 -0700
+++ hg/doc/hg.1.txt	2005-09-23 18:31:58.000000000 -0700
@@ -802,6 +802,6 @@ http://selenic.com/mailman/listinfo/merc

 COPYING
 -------
-Copyright (C) 2005 Matt Mackall.
+Copyright \(C) 2005 Matt Mackall.
 Free use of this software is granted under the terms of the GNU General
 Public License (GPL).
Index: hg/doc/hgmerge.1.txt
===================================================================
--- hg.orig/doc/hgmerge.1.txt	2005-06-30 10:19:51.000000000 -0700
+++ hg/doc/hgmerge.1.txt	2005-09-23 18:31:59.000000000 -0700
@@ -30,6 +30,6 @@ hg(1) - the command line interface to Me

 COPYING
 -------
-Copyright (C) 2005 Matt Mackall.
+Copyright \(C) 2005 Matt Mackall.
 Free use of this software is granted under the terms of the GNU General
 Public License (GPL).

doc/hg.1.txt

@@ -802,6 +802,6 b' http://selenic.com/mailman/listinfo/merc'
 
 COPYING
 -------
-Copyright (C) 2005 Matt Mackall.
+Copyright \(C) 2005 Matt Mackall.
 Free use of this software is granted under the terms of the GNU General
 Public License (GPL).

doc/hgmerge.1.txt

@@ -30,6 +30,6 b' hg(1) - the command line interface to Me'
 
 COPYING
 -------
-Copyright (C) 2005 Matt Mackall.
+Copyright \(C) 2005 Matt Mackall.
 Free use of this software is granted under the terms of the GNU General
 Public License (GPL).