[gnome-sudoku] Require unstable vala

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 80bfbcd273f1ab9bced5114411105f213d233f6f
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Wed Mar 18 12:49:25 2015 -0500

    Require unstable vala
    
    In practice, this basically means vala 0.28

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 6ac6630..9b9f308 100644
--- a/configure.ac
+++ b/configure.ac
@@ -9,7 +9,7 @@ GNOME_MAINTAINER_MODE_DEFINES
 AC_PROG_CC
 AC_PROG_CXX
 
-AM_PROG_VALAC([0.26.0.91])
+AM_PROG_VALAC([0.27.1.30])
 AM_PROG_CC_C_O
 
 LT_PREREQ([2.4])