[longomatch] Fix exceptions with empty shields

[Andoni Morales Alastruey <amorales src gnome org>]

commit aa1126982aa8b77ff5e1413b8cfdad4aed81f397
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Wed May 28 17:06:09 2014 +0200

    Fix exceptions with empty shields

 LongoMatch.GUI/Gui/Panel/TeamsTemplatesPanel.cs |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/LongoMatch.GUI/Gui/Panel/TeamsTemplatesPanel.cs b/LongoMatch.GUI/Gui/Panel/TeamsTemplatesPanel.cs
index 293dc1d..9c642de 100644
--- a/LongoMatch.GUI/Gui/Panel/TeamsTemplatesPanel.cs
+++ b/LongoMatch.GUI/Gui/Panel/TeamsTemplatesPanel.cs
@@ -117,8 +117,10 @@ namespace LongoMatch.Gui.Panel
 
                        provider.Update (loadedTeam);
                        /* The shield might have changed, update it just in case */
-                       teamstreeview.Model.SetValue (itersDict[loadedTeam.Name], 0,
-                                                     loadedTeam.Shield.Value);
+                       if (loadedTeam.Shield != null) {
+                               teamstreeview.Model.SetValue (itersDict[loadedTeam.Name], 0,
+                                                             loadedTeam.Shield.Value);
+                       }
                }
                
                void LoadTeam (string teamName) {
@@ -218,7 +220,7 @@ namespace LongoMatch.Gui.Panel
                                        team = TeamTemplate.DefaultTemplate (dialog.Count);
                                        team.TeamName = dialog.Text;
                                        team.Name = dialog.Text;
-                                       provider.Save (team);
+                                       provider.Update (team);
                                }
                                Load (dialog.Text);
                        }