[four-in-a-row] Require GTK+ 3.13.2

[Michael Catanzaro <mcatanzaro src gnome org>]

commit ba242c9959e55aa8e8766d9a76b8f8b693b82f80
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Mon Aug 18 18:24:35 2014 -0500

    Require GTK+ 3.13.2
    
    For automatic RTL icon support
    
    https://bugzilla.gnome.org/show_bug.cgi?id=735025

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 959d54f..3cc0ae7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -16,7 +16,7 @@ dnl ###########################################################################
 dnl Dependencies
 dnl ###########################################################################
 
-GTK_REQUIRED=3.12.0
+GTK_REQUIRED=3.13.2
 RSVG_REQUIRED=2.32.0
 CANBERRA_GTK_REQUIRED=0.26