[nautilus] build: bump GTK+ dep to 3.1.6

[Cosimo Cecchi <cosimoc src gnome org>]

commit 922307d634a0401c8cc29bee70c6335b2eb9a17c
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Tue Jun 28 09:42:17 2011 -0400

    build: bump GTK+ dep to 3.1.6
    
    We need it for GtkOverlay.

 configure.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.in b/configure.in
index 7ba7517..4a415d0 100644
--- a/configure.in
+++ b/configure.in
@@ -5,7 +5,7 @@ dnl ===========================================================================
 m4_define(glib_minver,                 2.28.0)
 m4_define(gnome_desktop_minver,        3.0.0)
 m4_define(pango_minver,                1.28.3)
-m4_define(gtk_minver,                  3.0.8)
+m4_define(gtk_minver,                  3.1.6)
 m4_define(xml_minver,                  2.7.8)
 m4_define(exif_minver,                 0.6.20)
 m4_define(exempi_minver,               2.1.0)