[libgee/0.8] Sync checks with Vala 0.18

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 76539511bbfb4943c27436e46e41b2bf28dc5117
Author: Daniel Espinosa <esodan gmail com>
Date:   Tue Dec 10 18:17:47 2013 -0600

    Sync checks with Vala 0.18

 configure.ac |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 3517ddd..d6c7d82 100644
--- a/configure.ac
+++ b/configure.ac
@@ -14,7 +14,7 @@ AC_PROG_LIBTOOL
 LIBGEE_LT_VERSION="2:2:0"
 AC_SUBST(LIBGEE_LT_VERSION)
 
-AM_PROG_VALAC([0.17.5])
+AM_PROG_VALAC([0.18.0])
 AC_SUBST(VALAC)
 
 AC_SUBST(VALAFLAGS)
@@ -50,7 +50,7 @@ AS_IF([test "x$enable_coverage" != xno],
 AC_ARG_ENABLE(benchmark, AS_HELP_STRING([--enable-benchmark], [Enable benchmark]), 
enable_benchmark=$enableval, enable_benchmark=no)
 AM_CONDITIONAL(ENABLE_BENCHMARK, test x$enable_benchmark = xyes)
 
-GLIB_REQUIRED=2.12.0
+GLIB_REQUIRED=2.18.0
 
 PKG_CHECK_MODULES(GLIB, glib-2.0 >= $GLIB_REQUIRED gobject-2.0 >= $GLIB_REQUIRED)
 AC_SUBST(GLIB_CFLAGS)