[gnome-builder] build: bump gtksourceview required version

[Sébastien Lafargue <slafargue src gnome org>]

commit 2f81bcba75912758223816191e7c01ee0e4066d7
Author: Sebastien Lafargue <slafargue gnome org>
Date:   Tue Jun 21 22:49:07 2016 +0200

    build: bump gtksourceview required version

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 47b65e0..1b7f016 100644
--- a/configure.ac
+++ b/configure.ac
@@ -185,7 +185,7 @@ dnl Check for Required Packages
 dnl ***********************************************************************
 m4_define([gtk_required_version], [3.21.1])
 m4_define([glib_required_version], [2.49.0])
-m4_define([gtksourceview_required_version], [3.21.1])
+m4_define([gtksourceview_required_version], [3.21.2])
 m4_define([gobject_introspection_version], [1.48.0])
 m4_define([pygobject_required_version], [3.21.0])
 m4_define([libxml_required_version], [2.9.0])