[dconf-editor] Bump Gtk+ required version to 3.14.

[Arnaud Bonatti <arnaudb src gnome org>]

commit 460262fba45de8fe98ff5d9fe79119308e45667e
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Sat Apr 18 00:17:02 2015 +0200

    Bump Gtk+ required version to 3.14.

 configure.ac |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index a8f17b5..452371c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,7 +18,7 @@ fi
 
 # Check for programs
 AC_PROG_CC
-AM_PROG_VALAC([0.18.0])
+AM_PROG_VALAC([0.25.1])
 
 # Use GLib resources
 AC_PATH_PROG(GLIB_COMPILE_RESOURCES, glib-compile-resources)
@@ -30,7 +30,7 @@ GLIB_GSETTINGS
 PKG_CHECK_MODULES(dconf, dconf >= 0.23.2)
 PKG_CHECK_MODULES(glib, glib-2.0 >= 2.39.3)
 PKG_CHECK_MODULES(gmodule, gmodule-2.0)
-PKG_CHECK_MODULES(gtk, gtk+-3.0 >= 3.4)
+PKG_CHECK_MODULES(gtk, gtk+-3.0 >= 3.14)
 PKG_CHECK_MODULES(libxml, libxml-2.0)
 
 dnl Gettext support