[gnome-calculator] Reduced dependencies: GTK+ 3.10, Vala 0.22

[Michael Catanzaro <mcatanzaro src gnome org>]

commit afe6857404d5445277303ba040e87a53806813e4
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Fri Dec 13 18:30:08 2013 -0600

    Reduced dependencies: GTK+ 3.10, Vala 0.22
    
    Due to removal of Headerbar.show_fallback_app_menu

 configure.ac |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 13d5f18..f1ef7fc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -6,7 +6,7 @@ AM_SILENT_RULES([yes])
 AM_MAINTAINER_MODE
 GNOME_MAINTAINER_MODE_DEFINES
 
-AM_PROG_VALAC([0.23.0])
+AM_PROG_VALAC([0.22])
 AM_PROG_CC_C_O
 
 AC_PATH_PROG(GLIB_COMPILE_RESOURCES, glib-compile-resources)
@@ -19,7 +19,7 @@ dnl ###########################################################################
 
 GLIB_REQUIRED=2.31
 GIO_REQUIRED=2.25.10
-GTK_REQUIRED=3.11.2
+GTK_REQUIRED=3.10
 GTKSOURCEVIEW_REQUIRED=3.0.0
 
 PKG_CHECK_MODULES(GNOME_CALCULATOR, [