bump product version to 7.6.5.0.0+

Change-Id: I1b4f46591baaf8f301661cde65ad7092cff219b8
diff --git a/configure.ac b/configure.ac
index 810c8d8..88385a86 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],[7.6.4.0.0+],[],[],[http://documentfoundation.org/])
AC_INIT([LibreOffice],[7.6.5.0.0+],[],[],[http://documentfoundation.org/])

dnl libnumbertext needs autoconf 2.68, but that can pick up autoconf268 just fine if it is installed
dnl whereas aclocal (as run by autogen.sh) insists on using autoconf and fails hard