[gxml: 1/18] * update libvala dependency from 0.16 to 0.18

[Richard Hans Schwarting <rschwart src gnome org>]

commit ef2edbefc2f74ca06812a119b0ddecff9e3c7ec7
Author: Richard Schwarting <aquarichy gmail com>
Date:   Tue Jun 4 10:28:06 2013 -0400

    * update libvala dependency from 0.16 to 0.18

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 91084cb..7ea455e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -107,7 +107,7 @@ AC_SUBST([API_VERSION])
 
 GLIB_REQUIRED=2.16.0
 VALA_REQUIRED=0.16.0
-VALA_MODULES="libvala-0.16 >= 0.16"
+VALA_MODULES="libvala-0.18 >= 0.16"
 GEE_REQUIRED=0.7.0
 LIBXML_REQUIRED=2.7
 GIO_MODULES="gio-2.0 >= 2.16"