[gnome-taquin] Fixed valac version

[Arnaud Bonatti <arnaudb src gnome org>]

commit cf7bc0d350652c739310a9581e7d879481a2b377
Author: Marcin Kolny <marcin kolny gmail com>
Date:   Wed Jan 14 13:15:54 2015 +0100

    Fixed valac version
    
        * configure.ac: gnome-taquin uses functions (e.g.
          CssProvider.load_from_resource) has been implemented in 0.27.1
          vala's version.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index caa0434..99676e4 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([0.24])
+AM_PROG_VALAC([0.27.1])
 AM_PROG_CC_C_O
 
 GLIB_GSETTINGS