[longomatch] Make sure we can't select borders for Cameras.

[Andoni Morales Alastruey <amorales src gnome org>]

commit e484c536cd3d1c500d9e27d3206ad2a14a1af4a8
Author: Julien Moutte <julien fluendo com>
Date:   Fri Mar 13 19:41:57 2015 +0100

    Make sure we can't select borders for Cameras.
    
    Indeed border selection shows a mouse cursor indicating that we could extend the segment when that's not 
the case.

 LongoMatch.Drawing/CanvasObjects/CameraObject.cs |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/LongoMatch.Drawing/CanvasObjects/CameraObject.cs 
b/LongoMatch.Drawing/CanvasObjects/CameraObject.cs
index e3ca0c7..906a581 100644
--- a/LongoMatch.Drawing/CanvasObjects/CameraObject.cs
+++ b/LongoMatch.Drawing/CanvasObjects/CameraObject.cs
@@ -32,6 +32,7 @@ namespace LongoMatch.Drawing.CanvasObjects
                        mediaFile = mf;
                        // Video boundaries can't be changed, only the segment can move.
                        DraggingMode = NodeDraggingMode.Segment;
+                       SelectionMode = NodeSelectionMode.Segment;
                }
 
                public MediaFile MediaFile {