[chronojump] Fixed export all curves crash

[Xavier de Blas <xaviblas src gnome org>]

commit 7ad3494216b6cf55322ac8e1ed3a538490afc27a
Author: Xavier de Blas <xaviblas gmail com>
Date:   Wed Feb 20 22:21:13 2013 +0100

    Fixed export all curves crash

 src/gui/encoder.cs |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/src/gui/encoder.cs b/src/gui/encoder.cs
index 4d4a1da..bf75d8a 100644
--- a/src/gui/encoder.cs
+++ b/src/gui/encoder.cs
@@ -555,7 +555,9 @@ public partial class ChronoJumpWindow
                EncoderStruct encoderStruct = new EncoderStruct(
                                dataFileName, 
                                Util.GetEncoderGraphTempFileName(),
-                               selectedFileName, "NULL", ep);
+                               selectedFileName, 
+                               Util.GetEncoderStatusTempFileName(),
+                               ep);
 
                Util.RunEncoderGraph(
                                Util.ChangeSpaceForUnderscore(currentPerson.Name) + "-" +