[folks] Bump the required version of valadoc.

[Travis Reitter <treitter src gnome org>]

commit baabc922f641f07d36fb0696bab24e9a15708d20
Author: Travis Reitter <travis reitter collabora co uk>
Date:   Mon Aug 1 14:16:39 2011 -0700

    Bump the required version of valadoc.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 4214908..ebfd01f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -129,7 +129,7 @@ AM_CONDITIONAL([ENABLE_LIBSOCIALWEB],
 GLIB_REQUIRED=2.24.0
 TP_GLIB_REQUIRED=0.13.1
 VALA_REQUIRED=0.13.0
-VALADOC_REQUIRED=0.2.1
+VALADOC_REQUIRED=0.3.1
 TRACKER_SPARQL_REQUIRED=0.10
 GCONF2_REQUIRED=2.31
 EBOOK_REQUIRED=3.0.1