[iagno] Require vala 0.25.1

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 6899edce920fc88cf175d3c1738f44607135528a
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sat Sep 20 11:13:16 2014 -0500

    Require vala 0.25.1
    
    For Source.REMOVE
    
    https://bugzilla.gnome.org/show_bug.cgi?id=736941

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 41bf60f..2c337a1 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([0.25.1])
 AM_PROG_CC_C_O
 
 GLIB_GSETTINGS