Modify WAL checkpoint in debug version only

app/src/main/java/eu/faircode/email/DB.java

@@ -110,6 +110,7 @@ public abstract class DB extends RoomDatabase {
     @Override
     public void init(@NonNull DatabaseConfiguration configuration) {
         // https://www.sqlite.org/pragma.html#pragma_wal_autocheckpoint
+        if (BuildConfig.DEBUG) {
             File dbfile = configuration.context.getDatabasePath(DB_NAME);
             if (dbfile.exists()) {
                 try (SQLiteDatabase db = SQLiteDatabase.openDatabase(dbfile.getPath(), null, SQLiteDatabase.OPEN_READWRITE)) {
@@ -119,6 +120,7 @@ public abstract class DB extends RoomDatabase {
                     }
                 }
             }
+        }
 
         super.init(configuration);
     }