[pygobject] configure.ac: version bump to 3.21.91

[Christoph Reiter <creiter src gnome org>]

commit 91abec259ed0c387ab69762ff92142b08327d00a
Author: Christoph Reiter <creiter src gnome org>
Date:   Thu Aug 25 16:50:56 2016 +0200

    configure.ac: version bump to 3.21.91

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 1d01780..0bed67f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,7 +18,7 @@ m4_define(python3_min_ver, 3.1)
 dnl the pygobject version number
 m4_define(pygobject_major_version, 3)
 m4_define(pygobject_minor_version, 21)
-m4_define(pygobject_micro_version, 1)
+m4_define(pygobject_micro_version, 91)
 m4_define(pygobject_version, pygobject_major_version.pygobject_minor_version.pygobject_micro_version)
 
 dnl versions of packages we require ...