[gnome-nibbles] Require GTK+ 3.12

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 726fd2e5d0a716c152b45a939d810adc5640b597
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sun May 11 11:37:52 2014 -0500

    Require GTK+ 3.12
    
    For GTK_DIALOG_USE_HEADER_BAR
    
    https://bugzilla.gnome.org/show_bug.cgi?id=729962

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index b548420..1632f87 100644
--- a/configure.ac
+++ b/configure.ac
@@ -15,7 +15,7 @@ dnl ###########################################################################
 dnl Dependencies
 dnl ###########################################################################
 
-GTK_REQUIRED=3.10.0
+GTK_REQUIRED=3.12.0
 RSVG_REQUIRED=2.32.0
 CANBERRA_GTK_REQUIRED=0.26
 CLUTTER_REQUIRED=1.14.4