[gnome-builder] build: bump libgit2-glib requirement

[Christian Hergert <chergert src gnome org>]

commit b197b188d99466faad716965f0bcc810be19cb58
Author: Christian Hergert <christian hergert me>
Date:   Mon Aug 31 02:44:10 2015 -0700

    build: bump libgit2-glib requirement

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index a2a5112..43c2bbf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -151,7 +151,7 @@ dnl ***********************************************************************
 m4_define([gtk_required_version], [3.17.1])
 m4_define([glib_required_version], [2.45.1])
 m4_define([gtksourceview_required_version], [3.17.3])
-m4_define([ggit_required_version], [0.23.4])
+m4_define([ggit_required_version], [0.23.5])
 m4_define([gjs_required_version], [1.42.0])
 m4_define([pygobject_required_version], [3.0.0])
 m4_define([devhelp_required_version], [3.16.0])