Update the example

Author: dreampiggy

Example/Podfile.lock

@@ -24,7 +24,7 @@ EXTERNAL SOURCES:
 
 CHECKOUT OPTIONS:
   SDWebImage:
-    :commit: 46b0c4bae83103209431b2ec1eddae718a55d6df
+    :commit: 9f470954c4c2edfc9ddbbe0758458f61dadba837
     :git: https://github.com/dreampiggy/SDWebImage.git
 
 SPEC CHECKSUMS:

Example/SDWebImageLinkPlugin/SDViewController.m

@@ -156,9 +156,9 @@ - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(N
         ((ImageTableViewCell *)cell).hostLabel.text = url.host;
         [((ImageTableViewCell *)cell).customImageView sd_setImageWithURL:url completed:^(UIImage * _Nullable image, NSError * _Nullable error, SDImageCacheType cacheType, NSURL * _Nullable imageURL) {
             if (image) {
-                id extendedObject = image.sd_extendedObject;
-                if ([extendedObject isKindOfClass:LPLinkMetadata.class]) {
-                    ((ImageTableViewCell *)cell).titleLabel.text = ((LPLinkMetadata *)extendedObject).title;
+                if ([image.sd_extendedObject isKindOfClass:LPLinkMetadata.class]) {
+                    LPLinkMetadata *metadata = (LPLinkMetadata *)image.sd_extendedObject;
+                    ((ImageTableViewCell *)cell).titleLabel.text = metadata.title;
                 }
             }
         }];