[dconf-editor] Bump Gtk+ and Vala required version.

[Arnaud Bonatti <arnaudb src gnome org>]

commit 38743dad3a24cd0d8f69d6b856aa2dd05fce3cf4
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Wed Sep 14 09:57:59 2016 +0200

    Bump Gtk+ and Vala required version.

 configure.ac |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 4bf0da1..babe75c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,7 +18,7 @@ fi
 
 # Check for programs
 AC_PROG_CC
-AM_PROG_VALAC([0.25.1])
+AM_PROG_VALAC([0.33.1])
 
 # Use GLib resources
 AC_PATH_PROG(GLIB_COMPILE_RESOURCES, glib-compile-resources)
@@ -32,7 +32,7 @@ APPSTREAM_XML
 # Dependencies
 DCONF_REQUIRED=0.25.1
 GLIB_REQUIRED=2.46.0
-GTK_REQUIRED=3.21.5
+GTK_REQUIRED=3.21.6
 
 PKG_CHECK_MODULES(DCONF_EDITOR, [
   glib-2.0 >= $GLIB_REQUIRED