[caribou] Post-release version bump

[Parag Nemade <panemade src gnome org>]

commit 9f4f372f7f4c154ac46279cec00df1ad84e3e31e
Author: Parag Nemade <pnemade redhat com>
Date:   Wed Jul 20 10:57:16 2016 +0530

    Post-release version bump

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 3959dca..eb84eae 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.63])
 AC_INIT([caribou],
-        [0.4.21],
+        [0.4.22],
         [https://bugzilla.gnome.org/enter_bug.cgi?product=caribou],
         [caribou])