[gnome-calculator] Depend on GTK+ 3.11.6

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 73b139a25566eaa7fbd25b41be5650c2b9b7d4b6
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Wed Feb 26 13:57:26 2014 -0600

    Depend on GTK+ 3.11.6
    
    For GtkPopover, including integration with GtkMenuModel
    
    https://bugzilla.gnome.org/show_bug.cgi?id=724480

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 261f9bc..1005da8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -20,7 +20,7 @@ dnl ###########################################################################
 
 GLIB_REQUIRED=2.31
 GIO_REQUIRED=2.25.10
-GTK_REQUIRED=3.10
+GTK_REQUIRED=3.11.6
 GTKSOURCEVIEW_REQUIRED=3.0.0
 
 PKG_CHECK_MODULES(GNOME_CALCULATOR, [