bump product version to 4.3.1.0.0+

Change-Id: I6651f6741d0323716f45b534c9fe0ad81eeef6ce
diff --git a/configure.ac b/configure.ac
index aa6ed9e..ec74b22 100644
--- a/configure.ac
+++ b/configure.ac
@@ -9,7 +9,7 @@ dnl in order to create a configure script.
# several non-alphanumeric characters, those are split off and used only for the
# ABOUTBOXPRODUCTVERSIONSUFFIX in openoffice.lst. Why that is necessary, no idea.

AC_INIT([LibreOffice],[4.3.0.1.0+],[],[],[http://documentfoundation.org/])
AC_INIT([LibreOffice],[4.3.1.0.0+],[],[],[http://documentfoundation.org/])

AC_PREREQ([2.59])