Table upgrade was done again with next table version

Table should only be upgraded from a previous version.

Author: superthib

generator/res/content_subclass_upgrade.txt

@@ -1,10 +1,9 @@
-
-            if (oldVersion <= %1$d) {
+            if (oldVersion < %1$d) {
                 db.execSQL("CREATE TABLE " + TABLE_NAME + "_tmp (" + %2$s%3$s%4$s + ");");
 
                 db.execSQL("INSERT INTO  " + TABLE_NAME + "_tmp SELECT " + %5$s + ", %6$s FROM " + TABLE_NAME + ";");
 
                 db.execSQL("DROP TABLE " + TABLE_NAME + ";");
                 db.execSQL("ALTER TABLE " + TABLE_NAME + "_tmp RENAME TO " + TABLE_NAME + ";");
                 oldVersion = %1$d;
-            }
+            }