[folks] Bump Tracker requirement to the latest series.

[Travis Reitter <treitter src gnome org>]

commit a25f7610be215a906875b37b50e0472620dce4e3
Author: Travis Reitter <travis reitter collabora co uk>
Date:   Sun Feb 17 17:03:40 2013 -0800

    Bump Tracker requirement to the latest series.

 configure.ac |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 39e22b8..0e45b08 100644
--- a/configure.ac
+++ b/configure.ac
@@ -175,8 +175,8 @@ AM_CONDITIONAL([ENABLE_LIBSOCIALWEB],
 GLIB_REQUIRED=2.32.0
 VALA_REQUIRED=0.17.6
 VALADOC_REQUIRED=0.3.1
-TRACKER_SPARQL_MAJOR=0.14
-TRACKER_SPARQL_REQUIRED=0.13.1
+TRACKER_SPARQL_MAJOR=0.16
+TRACKER_SPARQL_REQUIRED=0.15.2
 EBOOK_REQUIRED=3.5.3
 EDATASERVER_REQUIRED=3.5.3.1
 ZEITGEIST_REQUIRED=0.3.14