[PATCH] Display configuration details in --help

[Doug Evans]

Eli Zaretskii writes:
 > > From: Tom Tromey <tromey@redhat.com>
 > > Cc: Doug Evans <dje@google.com>, Eli Zaretskii <eliz@gnu.org>,
 > >         Joel Brobecker <brobecker@adacore.com>,
 > >         gdb-patches <gdb-patches@sourceware.org>
 > > Date: Wed, 10 Apr 2013 13:16:39 -0600
 > > 
 > > Pedro> But we shouldn't stale Eli's patch for this.
 > > 
 > > Yes, I agree.
 > 
 > Thanks, committed.
 > 
 > I will take a shot on regrouping the --help text later.

Hi.  It helps my browsing of ChangeLog entries if they follow
the convention that related patches are not separated by a blank line.
Plus I added an entry for NEWS.

Committed.

Index: ChangeLog
===================================================================
RCS file: /cvs/src/src/gdb/ChangeLog,v
retrieving revision 1.15404
diff -u -p -r1.15404 ChangeLog
--- ChangeLog	12 Apr 2013 16:04:07 -0000	1.15404
+++ ChangeLog	12 Apr 2013 17:11:23 -0000
@@ -91,13 +91,12 @@
 
 2013-04-12  Eli Zaretskii  <eliz@gnu.org>
 
+	* NEWS: Mention "show configuration", --configuration.
 	* top.c (print_gdb_configuration): New function, displays the
 	details about GDB configure-time parameters.
 	(print_gdb_version): Mention "show configuration".
-
 	* cli/cli-cmds.c (show_configuration): New function.
 	(_initialize_cli_cmds): Add the "show configuration" command.
-
 	* main.c (captured_main) <print_configuration>: New static var.
 	<long_options>: Use it.
 	If --configuration was given, call print_gdb_configuration.