[empathy] Require Folks 0.5.1 for the API updates.

[Travis Reitter <treitter src gnome org>]

commit 24bfa52b2a137a2bdafceba1fee199a06a9509ec
Author: Travis Reitter <travis reitter collabora co uk>
Date:   Thu May 12 14:37:03 2011 -0700

    Require Folks 0.5.1 for the API updates.
    
    Closes: bgo#648822 - Port Empathy to Folks 0.5.1

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index dde9487..1692810 100644
--- a/configure.ac
+++ b/configure.ac
@@ -31,7 +31,7 @@ AC_COPYRIGHT([
 # Minimal version required
 
 # Hardp deps
-FOLKS_REQUIRED=0.4.0
+FOLKS_REQUIRED=0.5.1
 GLIB_REQUIRED=2.28.0
 GNUTLS_REQUIRED=2.8.5
 GTK_REQUIRED=3.0.2