[glade] configure.ac: bumped GTK dependency to 3.16.0

[Juan Pablo Ugarte <jpu src gnome org>]

commit 503ed92e11608394f76f8374b6bea5e951a47074
Author: Juan Pablo Ugarte <juanpablougarte gmail com>
Date:   Thu Jun 11 16:47:04 2015 -0300

    configure.ac: bumped GTK dependency to 3.16.0

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 0129575..7e2e767 100644
--- a/configure.ac
+++ b/configure.ac
@@ -145,7 +145,7 @@ GOBJECT_INTROSPECTION_CHECK([1.32.0])
 dnl ================================================================
 dnl Check for gtk+
 dnl ================================================================
-GTK_REQUIRED=3.15.0
+GTK_REQUIRED=3.16.0
 PKG_CHECK_MODULES([GTK],[
   gtk+-3.0 >= $GTK_REQUIRED
   gmodule-2.0