[gobject-introspection] version bump

[Christoph Reiter <creiter src gnome org>]

commit 137952c03abd2acd454b834d8cc7ae10915c8aa0
Author: Christoph Reiter <reiter christoph gmail com>
Date:   Sat Mar 7 15:15:42 2020 +0100

    version bump

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index eed4d6b3..3d22dd55 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('gobject-introspection', 'c',
-  version: '1.64.0',
+  version: '1.64.1',
   meson_version: '>= 0.50.1',
   default_options: [
     'warning_level=1',