[chronojump] backupDir references now called backupDirOld

[Xavier de Blas <xaviblas src gnome org>]

commit 940e6df47c44e29416bcad95acb71e36052b2531
Author: Xavier de Blas <xaviblas gmail com>
Date:   Fri Aug 20 15:25:13 2021 +0200

    backupDir references now called backupDirOld

 src/util.cs | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)
---
diff --git a/src/util.cs b/src/util.cs
index c4a174f83..4d95b2c12 100644
--- a/src/util.cs
+++ b/src/util.cs
@@ -1359,11 +1359,18 @@ public class Util
                return GetImagesDir();
        }
 
-       static string backupDir = GetDatabaseDir() + Path.DirectorySeparatorChar + "backup";
+       //previous to 2.1.3
+       static string backupDirOld = GetDatabaseDir() + Path.DirectorySeparatorChar + "backup";
+       public static string GetBackupDirOld () {
+               return backupDirOld;
+       }
+
+       /*
+          Unused since 2.1.3
 
-       public static void BackupDirCreateIfNeeded () {
-               if( ! Directory.Exists(backupDir)) {
-                       Directory.CreateDirectory (backupDir);
+       public static void BackupDirOldCreateIfNeeded () {
+               if( ! Directory.Exists(backupDirOld)) {
+                       Directory.CreateDirectory (backupDirOld);
                        LogB.Information ("created backup dir");
                }
        }
@@ -2518,7 +2525,7 @@ public class UtilCopy
        private bool backup;
 
        //to go faster on CopyFilesRecursively
-       static string backupDir = Util.GetDatabaseDir() + Path.DirectorySeparatorChar + "backup";
+       static string backupDirOld = Util.GetBackupDirOld();
 
        //-1 is the default on a backup, means all sessions (regular backup)
        //4 will only copy files related to session 4 (for export session)
@@ -2540,7 +2547,7 @@ public class UtilCopy
        {
                DirectoryInfo [] diArray = source.GetDirectories();
                foreach (DirectoryInfo dir in diArray)
-                       if(dir.ToString() != backupDir) //do not copy backup files
+                       if(dir.ToString() != backupDirOld) //do not copy backup files
                        {
                                if(level == 0)
                                {