[sushi] release: prepare for 3.28.2

[Cosimo Cecchi <cosimoc src gnome org>]

commit 7ac9e10c757a41127cba107406fdf084df3c3321
Author: Cosimo Cecchi <cosimo endlessm com>
Date:   Fri Apr 20 11:24:42 2018 -0700

    release: prepare for 3.28.2

 NEWS         |    5 +++++
 configure.ac |    2 +-
 2 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index 5a592c5..8d64b97 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,8 @@
+3.28.2
+======
+
+- Fix another LibreOffice to PDF conversion regression
+
 3.28.1
 ======
 
diff --git a/configure.ac b/configure.ac
index 128b150..0463af5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 dnl -*- mode: m4 -*-
 AC_PREREQ(2.63)
-AC_INIT([sushi],[3.28.1],[],[sushi])
+AC_INIT([sushi],[3.28.2],[],[sushi])
 
 AC_CONFIG_HEADERS([config/config.h])
 AC_CONFIG_SRCDIR([src/main.c])