[evolution-data-server] Bug 741557 - Bump vala dependency to version 0.22

[Milan Crha <mcrha src gnome org>]

commit 4acf259cada386472611ce78f7ab01cd79f35cf5
Author: Milan Crha <mcrha redhat com>
Date:   Wed Jan 7 12:47:34 2015 +0100

    Bug 741557 - Bump vala dependency to version 0.22

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index a337c86..740dde6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1719,7 +1719,7 @@ if test x$enable_vala_bindings = xyes; then
     AC_MSG_ERROR([GObject-Introspection must be enabled for Vala bindings])
   fi
 
-  AM_PROG_VALAC([0.13.0])
+  AM_PROG_VALAC([0.22.0])
   have_vala=yes
 
   AC_PATH_PROG(VALAC, valac, valac)