[orca] Post-release version bump

[Joanmarie Diggs <joanied src gnome org>]

commit ad8967222ad42b362319b6517ce5086fee051fe1
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Mon Dec 11 14:05:02 2017 +0100

    Post-release version bump

 README       |    2 +-
 configure.ac |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/README b/README
index fcf7441..9843868 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-Orca v3.27.3
+Orca v3.27.4pre
 
 Introduction
 ========================================================================
diff --git a/configure.ac b/configure.ac
index da2eb57..0303d15 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 m4_define([orca_major_version], [3])
 m4_define([orca_minor_version], [27])
-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])