[gtksourceview] Bump version for development

[Christian Hergert <chergert src gnome org>]

commit ba37e8dcfb1ac2aa9737c941b791372a88b3c06d
Author: Christian Hergert <chergert redhat com>
Date:   Sat Apr 20 20:38:13 2019 -0700

    Bump version for development

 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/configure.ac b/configure.ac
index 4c004329..8f11fe04 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@ dnl Process this file with autoconf to produce a configure script.
 AC_PREREQ(2.64)
 
 m4_define(gtksourceview_major_version, 4)
-m4_define(gtksourceview_minor_version, 2)
+m4_define(gtksourceview_minor_version, 3)
 m4_define(gtksourceview_micro_version, 0)
 m4_define(gtksourceview_version, 
gtksourceview_major_version.gtksourceview_minor_version.gtksourceview_micro_version)