[sushi] release: prepare for 3.23.91

[Cosimo Cecchi <cosimoc src gnome org>]

commit 83d0696a01b31fb509d07cf80e6851a9b318ad25
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Wed Mar 1 19:22:38 2017 -0800

    release: prepare for 3.23.91

 NEWS         |    8 ++++++++
 configure.ac |    2 +-
 2 files changed, 9 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index a8366e4..1636c4b 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,11 @@
+3.23.91
+=======
+
+- Use correct icon when fullscreen
+- Use upstream format.js code
+- Specify GdkX11 import version
+- Translation updates
+
 3.21.91
 =======
 
diff --git a/configure.ac b/configure.ac
index 573883f..05fb615 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 dnl -*- mode: m4 -*-
 AC_PREREQ(2.63)
-AC_INIT([sushi],[3.21.91],[],[sushi])
+AC_INIT([sushi],[3.23.91],[],[sushi])
 
 AC_CONFIG_HEADERS([config/config.h])
 AC_CONFIG_SRCDIR([src/main.c])