[gnome-mines] Require GTK+ 3.12, Vala 0.24

[Michael Catanzaro <mcatanzaro src gnome org>]

commit ca06300538aa2f4f2ef60fa82b616ef0f239c234
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sun Apr 6 18:20:20 2014 -0500

    Require GTK+ 3.12, Vala 0.24
    
    For GtkDialog use_header_bar
    
    https://bugzilla.gnome.org/show_bug.cgi?id=727050

 configure.ac |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 9481622..f3a2d95 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([0.22])
+AM_PROG_VALAC([0.24])
 AM_PROG_CC_C_O
 
 GLIB_GSETTINGS
@@ -16,7 +16,7 @@ dnl Dependencies
 dnl ###########################################################################
 
 GLIB_REQUIRED=2.36.0
-GTK_REQUIRED=3.10
+GTK_REQUIRED=3.12
 RSVG_REQUIRED=2.32.0
 
 PKG_CHECK_MODULES(GNOME_MINES, [