[chronojump] Fixed 1.5.0 bug: cancel or delete signal makes bars disappear until cj is closed

[Xavier de Blas <xaviblas src gnome org>]

commit 97ba1a692fe457fa8fbc8589438465e28daa09d1
Author: Xavier de Blas <xaviblas gmail com>
Date:   Mon Mar 23 22:01:01 2015 +0100

    Fixed 1.5.0 bug: cancel or delete signal makes bars disappear until cj is closed

 src/gui/encoder.cs |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/gui/encoder.cs b/src/gui/encoder.cs
index d305feb..04180e7 100644
--- a/src/gui/encoder.cs
+++ b/src/gui/encoder.cs
@@ -4569,6 +4569,7 @@ public partial class ChronoJumpWindow
                
 
                encoder_capture_curves_bars_drawingarea.QueueDraw();                    // -- refresh
+               encoder_capture_curves_bars_drawingarea.Visible = true;
        }
 
        private void callPlotCurvesGraphDoPlot() {