[orca] Post-release version bump

[Joanmarie Diggs <joanied src gnome org>]

commit ce6a5f2fe735df2cef95bed36fcbac38e25f2f56
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Tue Jun 23 11:08:15 2015 -0400

    Post-release version bump

 README       |    2 +-
 configure.ac |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/README b/README
index 6c921a5..f6a3fda 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-Orca v3.17.3
+Orca v3.17.4pre
 
 Introduction
 ========================================================================
diff --git a/configure.ac b/configure.ac
index 198e832..5883e45 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 m4_define([orca_major_version], [3])
 m4_define([orca_minor_version], [17])
-m4_define([orca_micro_version], [3])
+m4_define([orca_micro_version], [4pre])
 m4_define([orca_version],
           [orca_major_version.orca_minor_version.orca_micro_version])