[network-manager-applet] release: bump version to 1.8.21 (development)

[Beniamino Galvani <bgalvani src gnome org>]

commit 528ff76d401599743a0df0df2185851cda9f9d6d
Author: Beniamino Galvani <bgalvani redhat com>
Date:   Wed Feb 6 22:17:30 2019 +0100

    release: bump version to 1.8.21 (development)

 configure.ac | 2 +-
 meson.build  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index ee10ff7f..10a92f56 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@ AC_PREREQ([2.63])
 
 m4_define([nma_major_version], [1])
 m4_define([nma_minor_version], [8])
-m4_define([nma_micro_version], [20])
+m4_define([nma_micro_version], [21])
 m4_define([nma_version],
           [nma_major_version.nma_minor_version.nma_micro_version])
 
diff --git a/meson.build b/meson.build
index 1216fb0f..7f226256 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 project(
   'network-manager-applet', 'c',
-  version: '1.8.20',
+  version: '1.8.21',
   license: 'GPL2+',
   default_options: [
     'buildtype=debugoptimized',