[gnome-sudoku] Require unreleased vala

[Michael Catanzaro <mcatanzaro src gnome org>]

commit a55386a314bdf141bd0333a29953689c453760a0
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sun Dec 28 10:47:31 2014 -0600

    Require unreleased vala
    
    For gresource aliases

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index e88cd2f..2a949fb 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([0.26.0.91])
 AM_PROG_CC_C_O
 
 LT_PREREQ([2.4])