[gnome-sudoku/gnome-3-16] Correct Gtk+ and Valac required versions.

[Arnaud Bonatti <arnaudb src gnome org>]

commit b8d5f7ae1ce2d039961ae6ae362e6076ffaa340d
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Tue Mar 31 18:31:43 2015 +0200

    Correct Gtk+ and Valac required versions.

 configure.ac |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 3cf89a1..b1c411d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -9,7 +9,7 @@ GNOME_MAINTAINER_MODE_DEFINES
 AC_PROG_CC
 AC_PROG_CXX
 
-AM_PROG_VALAC([0.25.1])
+AM_PROG_VALAC([0.27.1])
 AM_PROG_CC_C_O
 
 LT_PREREQ([2.4])
@@ -26,7 +26,7 @@ dnl Dependencies
 dnl ###########################################################################
 
 GLIB_REQUIRED=2.40.0
-GTK_REQUIRED=3.13.4
+GTK_REQUIRED=3.15.0
 QQWING_REQUIRED=1.2.0
 
 PKG_CHECK_MODULES(GNOME_SUDOKU, [