bump product version to 4.4.7.0.0+

Change-Id: I9d659819a7d5ea1a6aad829901b445a20d8a7fa8
diff --git a/configure.ac b/configure.ac
index 2acaa92..acc0eb6 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],[4.4.6.0.0+],[],[],[http://documentfoundation.org/])
AC_INIT([LibreOffice],[4.4.7.0.0+],[],[],[http://documentfoundation.org/])

AC_PREREQ([2.59])