[chronojump] RaceAnalyzer fixed crash on load if no previous set has been loaded

[Xavier de Blas <xaviblas src gnome org>]

commit 8fd9e6b3cbc13265bdd20b2bf27eb1696904b78c
Author: Xavier de Blas <xaviblas gmail com>
Date:   Tue Apr 26 15:19:30 2022 +0200

    RaceAnalyzer fixed crash on load if no previous set has been loaded

 src/gui/app1/runEncoder.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/src/gui/app1/runEncoder.cs b/src/gui/app1/runEncoder.cs
index ce175f7ed..8cbddc480 100644
--- a/src/gui/app1/runEncoder.cs
+++ b/src/gui/app1/runEncoder.cs
@@ -974,7 +974,8 @@ public partial class ChronoJumpWindow
                genericWin.ShowEditRow(false);
 
                //select row corresponding to current signal
-               genericWin.SelectRowWithID(0, currentRunEncoder.UniqueID); //colNum, id
+               if(currentRunEncoder != null)
+                       genericWin.SelectRowWithID(0, currentRunEncoder.UniqueID); //colNum, id
 
                genericWin.VideoColumn = 6;
                genericWin.CommentColumn = 7;