[libwnck] Release: post-release bump to 3.20.1

[Marco Trevisan <marcotrevi src gnome org>]

commit e5e1df36af99b00c7a9dbc0fbeaee9b7a7086021
Author: Marco Trevisan (Treviño) <mail 3v1n0 net>
Date:   Tue Jun 21 16:00:23 2016 +0200

    Release: post-release bump to 3.20.1

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 4c567b2..826ea8e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@ AC_PREREQ(2.62)
 
 m4_define([wnck_major_version], [3])
 m4_define([wnck_minor_version], [20])
-m4_define([wnck_micro_version], [0])
+m4_define([wnck_micro_version], [1])
 m4_define([wnck_version],
           [wnck_major_version.wnck_minor_version.wnck_micro_version])