[amtk] Release 5.2.0

[Sébastien Wilmet <swilmet src gnome org>]

commit 4ce1fe51fb4b031eef8e26657e1d72e2164758d0
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Thu Sep 10 12:45:16 2020 +0200

    Release 5.2.0

 NEWS         | 4 ++++
 README       | 2 +-
 configure.ac | 2 +-
 3 files changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/NEWS b/NEWS
index 305b84f..de47eeb 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,7 @@
+News in 5.2.0, 2020-09-10
+-------------------------
+* Translation updates.
+
 News in 5.1.2, 2020-09-04
 -------------------------
 * Build system: better support for Visual Studio.
diff --git a/README b/README
index 76e9210..c08c72a 100644
--- a/README
+++ b/README
@@ -1,7 +1,7 @@
 Amtk - Actions, Menus and Toolbars Kit for GTK applications
 ===========================================================
 
-This is version 5.1.2 of Amtk.
+This is version 5.2.0 of Amtk.
 
 Amtk is the acronym for “Actions, Menus and Toolbars Kit”. It is a basic
 GtkUIManager replacement based on GAction. It is suitable for both a
diff --git a/configure.ac b/configure.ac
index 048a78d..7ace76d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@ dnl Process this file with autoconf to produce a configure script.
 AC_PREREQ(2.64)
 
 # Package version of the form 'major.minor.micro'.
-m4_define(amtk_package_version, 5.1.2)
+m4_define(amtk_package_version, 5.2.0)
 
 AC_INIT([Amtk],
        [amtk_package_version],