[chronojump] Fixed: at start was saying: "encoder connected"

[Xavier de Blas <xaviblas src gnome org>]

commit 7d62c1a20987a6504d4e8b31ef2f2c9a601e6610
Author: Xavier de Blas <xaviblas gmail com>
Date:   Wed May 7 21:38:00 2014 +0200

    Fixed: at start was saying: "encoder connected"

 src/gui/chronojump.cs |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)
---
diff --git a/src/gui/chronojump.cs b/src/gui/chronojump.cs
index 3a8dc01..8365ef5 100644
--- a/src/gui/chronojump.cs
+++ b/src/gui/chronojump.cs
@@ -4427,9 +4427,11 @@ Log.WriteLine("DDD 2");
        }
 
        private void chronopicEncoderLabels(bool colorize) {
-               Log.WriteLine("here");
-               Log.WriteLine(chronopicWin.GetEncoderPort());
-               if(chronopicWin.GetEncoderPort() != Util.GetDefaultPort())
+               Log.WriteLine("at chronopicEncoderLabels");
+               string encoderPort = chronopicWin.GetEncoderPort();
+               Log.WriteLine(encoderPort);
+
+               if(encoderPort != null && encoderPort != "" && encoderPort != Util.GetDefaultPort())
                        label_chronopic_encoder.Text = Catalog.GetString("Encoder connected");
                else
                        label_chronopic_encoder.Text = Catalog.GetString("Encoder disconnected");
@@ -4437,7 +4439,7 @@ Log.WriteLine("DDD 2");
                if(colorize)
                        UtilGtk.ChronopicColors(viewport_chronopic_encoder, 
                                        label_chronopic_encoder, new Gtk.Label(),
-                                       chronopicWin.GetEncoderPort() != "");
+                                       encoderPort != "");
        }