Fix unit test failed

src/data/fanbox.rs

@@ -34,6 +34,7 @@ impl Clone for FanboxData {
         Self {
             id: self.id.clone(),
             raw: self.raw.clone(),
+            #[cfg(feature = "exif")]
             exif_data: None,
         }
     }

src/download.rs

@@ -492,6 +492,7 @@ impl Main {
                     .try_err(gettext("Failed to get images from the image post."))?;
                 let mut np = 0;
                 let mut datas = data.clone();
+                #[cfg(feature = "exif")]
                 datas.exif_data.replace(Box::new(Arc::clone(&img)));
                 let datas = Arc::new(datas);
                 for img in images.iter() {