[gmime] bumped version to 3.2.6

[Rico Tzschichholz <ricotz src gnome org>]

commit 6546ed5e2935e5f99e99e0311ea6cec6d6101aaf
Author: Jeffrey Stedfast <jestedfa microsoft com>
Date:   Sat Feb 15 11:16:46 2020 -0500

    bumped version to 3.2.6

 NEWS         | 11 +++++++++++
 README.md    |  2 +-
 configure.ac |  4 ++--
 3 files changed, 14 insertions(+), 3 deletions(-)
---
diff --git a/NEWS b/NEWS
index cedbea5c..9e45f6fe 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,14 @@
+### GMime 3.2.6
+
+* Added methods to get 64-bit timestamps for the creation-date and expiration-date of
+  GMimeCertificates and GMimeSignatures. (issue #68)
+
+* Fixed the vala abstract public constructor for GMimeObject. (issue #76)
+
+* Fixed a bug in GMimeParser's header parser. (issue #78)
+
+* Added build files for Visual Studio 2017 thanks to Vitaliy Didik.
+
 ### GMime 3.2.5
 
 *  Modified GMimeParser to prevent stack overflows when parsing deeply nested messages.
diff --git a/README.md b/README.md
index a610290f..261a92c3 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ high-level application programming interface (API).
 
 ## License Information
 
-The GMime library is Copyright (C) 2000-2019 Jeffrey Stedfast and is licensed under the LGPL v2.1
+The GMime library is Copyright (C) 2000-2020 Jeffrey Stedfast and is licensed under the LGPL v2.1
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
diff --git a/configure.ac b/configure.ac
index 6e4f7b2f..b67a3f62 100644
--- a/configure.ac
+++ b/configure.ac
@@ -12,8 +12,8 @@ AC_PREREQ(2.54)
 #
 m4_define([gmime_major_version], [3])
 m4_define([gmime_minor_version], [2])
-m4_define([gmime_micro_version], [5])
-m4_define([gmime_interface_age], [4])
+m4_define([gmime_micro_version], [6])
+m4_define([gmime_interface_age], [0])
 m4_define([gmime_binary_age],
           [m4_eval(100 * gmime_minor_version + gmime_micro_version)])
 m4_define([gmime_version],