[longomatch] Fix ToString for ActionLink

[Andoni Morales Alastruey <amorales src gnome org>]

commit 1328a41b70a7e33643ec7e500362dabbeb41758e
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Tue Apr 14 13:50:08 2015 +0200

    Fix ToString for ActionLink

 LongoMatch.Core/Store/ActionLink.cs |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/LongoMatch.Core/Store/ActionLink.cs b/LongoMatch.Core/Store/ActionLink.cs
index 47b9b4d..4ee19bc 100644
--- a/LongoMatch.Core/Store/ActionLink.cs
+++ b/LongoMatch.Core/Store/ActionLink.cs
@@ -146,7 +146,7 @@ namespace LongoMatch.Core.Store
 
                public override string ToString ()
                {
-                       return string.Format ("{0} -> {1}", SourceButton, DestinationButton);
+                       return string.Format ("{0} -> {1}", SourceButton.Name, DestinationButton.Name);
                }
        }
 }