Small GNU/Hurd cleanup

[Mark Kettenis <mark.kettenis@xs4all.nl>]

The Hurd is the last user of deprecated_read_register_bytes() that we
have in the tree.  As far as I can tell, it doesn't really need it.
Alfred, can you test whether I'm right or not?

Thanks,

Mark

Index: ChangeLog
from  Mark Kettenis  <kettenis@gnu.org>

	* config/i386/nm-i386gnu.h (CHILD_PREPARE_TO_STORE): Remove.

Index: config/i386/nm-i386gnu.h
===================================================================
RCS file: /cvs/src/src/gdb/config/i386/nm-i386gnu.h,v
retrieving revision 1.4
diff -u -p -r1.4 nm-i386gnu.h
--- config/i386/nm-i386gnu.h 24 Nov 2006 18:23:34 -0000 1.4
+++ config/i386/nm-i386gnu.h 1 Jan 2007 01:24:07 -0000
@@ -1,5 +1,5 @@
 /* Native-dependent definitions for Intel 386 running the GNU Hurd
-   Copyright 1994, 1995, 1996, 2002 Free Software Foundation, Inc.
+   Copyright 1994, 1995, 1996, 2002, 2006 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -28,9 +28,6 @@
 
 extern char *gnu_target_pid_to_str (int pid);
 
-/* Before storing, we need to read all the registers.  */
-#define CHILD_PREPARE_TO_STORE() deprecated_read_register_bytes (0, NULL, deprecated_register_bytes ())
-
 /* Don't do wait_for_inferior on attach.  */
 #define ATTACH_NO_WAIT