[glibmm/export-more-symbols-2-64] Bump version

[Chun-wei Fan <fanchunwei src gnome org>]

commit 4904667230d87e83a4db084ee66e21482e9df6ec
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Sat Apr 4 11:50:53 2020 +0800

    Bump version
    
    We need to update the version so that we can be able to check whether we
    have enough support in gmmproc to be ready to use __declspec(dllexport)
    instead of gendef.exe to export symbols for modules that build on top of
    the glibmm-2.4 branch, as they may well depend on older stable glibmm-2.4
    versions that do not have such support.

 configure.ac | 2 +-
 meson.build  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 9d291d9a..2474b63f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -15,7 +15,7 @@
 ## You should have received a copy of the GNU Lesser General Public License
 ## along with this library.  If not, see <http://www.gnu.org/licenses/>.
 
-AC_INIT([glibmm], [2.64.2],
+AC_INIT([glibmm], [2.64.3],
         [https://gitlab.gnome.org/GNOME/glibmm/issues],
         [glibmm], [http://www.gtkmm.org/])
 AC_PREREQ([2.59])
diff --git a/meson.build b/meson.build
index 1c997c4d..6eb9a382 100644
--- a/meson.build
+++ b/meson.build
@@ -1,7 +1,7 @@
 # This file is part of glibmm.
 
 project('glibmm', 'cpp',
-  version: '2.64.2',
+  version: '2.64.3',
   license: 'LGPLv2.1+',
   default_options: [
     'cpp_std=c++11'