[orca] Post-release version bump to 3.9.91pre

[Joanmarie Diggs <joanied src gnome org>]

commit 77832b0123107ae8a8ff49ecab890ca07bf16d5f
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Wed Aug 21 13:38:25 2013 -0400

    Post-release version bump to 3.9.91pre

 README       |    2 +-
 configure.ac |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/README b/README
index d41498e..0ef1e15 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-Orca v3.9.90
+Orca v3.9.91pre
 
 Introduction
 ========================================================================
diff --git a/configure.ac b/configure.ac
index 8221409..2707deb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 m4_define([orca_major_version], [3])
 m4_define([orca_minor_version], [9])
-m4_define([orca_micro_version], [90])
+m4_define([orca_micro_version], [91pre])
 m4_define([orca_version],
           [orca_major_version.orca_minor_version.orca_micro_version])