[orca/gnome-3-28] Post-release version bump

[Joanmarie Diggs <joanied src gnome org>]

commit 2d158009af0f4104e7478e1d9871332dd8c7551f
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Mon Mar 26 10:28:16 2018 -0400

    Post-release version bump

 README       |    2 +-
 configure.ac |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/README b/README
index 132eb9e..ca3c3ae 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-Orca v3.28.0
+Orca v3.28.1pre
 
 Introduction
 ========================================================================
diff --git a/configure.ac b/configure.ac
index 6804d14..a3ae841 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 m4_define([orca_major_version], [3])
 m4_define([orca_minor_version], [28])
-m4_define([orca_micro_version], [0])
+m4_define([orca_micro_version], [1pre])
 m4_define([orca_version],
           [orca_major_version.orca_minor_version.orca_micro_version])