Fix DB to version 18

core/src/main/java/de/danoeh/antennapod/core/storage/PodDBAdapter.java

@@ -1477,7 +1477,7 @@ public class PodDBAdapter {
      */
     private static class PodDBHelper extends SQLiteOpenHelper {
 
-        private final static int VERSION = 17;
+        private final static int VERSION = 18;
 
         private Context context;
 
@@ -1698,6 +1698,10 @@ public class PodDBAdapter {
                 Log.d("Migration", "SQL: " + sql);
                 db.execSQL(sql);
             }
+            if(oldVersion <= 17) {
+                db.execSQL("ALTER TABLE " + PodDBAdapter.TABLE_NAME_FEEDS
+                        + " ADD COLUMN " + PodDBAdapter.KEY_AUTO_DELETE_ACTION + " INTEGER DEFAULT 0");
+            }
             EventBus.getDefault().post(ProgressEvent.end());
         }
     }