[longomatch] Handle more invalid links

[Andoni Morales Alastruey <amorales src gnome org>]

commit 8dfea76097a088a93a91e3498872f450a4ada413
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Tue Apr 14 13:02:01 2015 +0200

    Handle more invalid links

 .../CanvasObjects/Dashboard/CategoryObject.cs      |    6 +-----
 LongoMatch.Drawing/Widgets/DashboardCanvas.cs      |    5 +++--
 2 files changed, 4 insertions(+), 7 deletions(-)
---
diff --git a/LongoMatch.Drawing/CanvasObjects/Dashboard/CategoryObject.cs 
b/LongoMatch.Drawing/CanvasObjects/Dashboard/CategoryObject.cs
index 60ef846..fa4513b 100644
--- a/LongoMatch.Drawing/CanvasObjects/Dashboard/CategoryObject.cs
+++ b/LongoMatch.Drawing/CanvasObjects/Dashboard/CategoryObject.cs
@@ -319,11 +319,7 @@ namespace LongoMatch.Drawing.CanvasObjects.Dashboard
                        if (sourceTags == null || sourceTags.Count == 0) {
                                return base.GetAnchor (sourceTags);
                        } else {
-                               if (subcatAnchors.ContainsKey (sourceTags [0])) {
-                                       return subcatAnchors [sourceTags [0]];
-                               } else {
-                                       return null;
-                               }
+                               return subcatAnchors [sourceTags [0]];
                        }
                }
 
diff --git a/LongoMatch.Drawing/Widgets/DashboardCanvas.cs b/LongoMatch.Drawing/Widgets/DashboardCanvas.cs
index 0be75a2..73ea73a 100644
--- a/LongoMatch.Drawing/Widgets/DashboardCanvas.cs
+++ b/LongoMatch.Drawing/Widgets/DashboardCanvas.cs
@@ -421,8 +421,9 @@ namespace LongoMatch.Drawing.Widgets
                                        ActionLinkObject linkObject;
 
                                        sourceAnchor = buttonObject.GetAnchor (link.SourceTags);
-                                       destAnchor = buttonsDict [link.DestinationButton].GetAnchor 
(link.DestinationTags);
-                                       if (destAnchor == null) {
+                                       try {
+                                               destAnchor = buttonsDict [link.DestinationButton].GetAnchor 
(link.DestinationTags);
+                                       } catch {
                                                Log.Error ("Skipping link with invalid destination tags");
                                                continue;
                                        }