update to 0.4.8

src/pdf417/pdf_417_reader.rs

@@ -79,7 +79,7 @@ impl MultipleBarcodeReader for PDF417Reader {
 
 impl PDF417Reader {
     pub fn new() -> Self {
-        Self::default()
+        Self
     }
 
     fn decode<B: Binarizer>(

src/pdf417/pdf_417_writer.rs

@@ -226,7 +226,7 @@ impl PDF417Writer {
         temp
     }
     pub fn new() -> Self {
-        Self::default()
+        Self
     }
 }