Merge pull request #1971 from kekeYezi/master

Small change - coding style

@@ -351,8 +351,7 @@ FOUNDATION_STATIC_INLINE NSUInteger SDCacheCostForImage(UIImage *image) {
             image = [UIImage decodedImageWithImage:image];
         }
         return image;
-    }
-    else {
+    } else {
         return nil;
     }
 }

@@ -28,8 +28,7 @@ inline UIImage *SDScaledImageForKey(NSString * _Nullable key, UIImage * _Nullabl
         }
 
         return [UIImage animatedImageWithImages:scaledImages duration:image.duration];
-    }
-    else {
+    } else {
 #if SD_WATCH
         if ([[WKInterfaceDevice currentDevice] respondsToSelector:@selector(screenScale)]) {
 #elif SD_UIKIT

@@ -119,8 +119,7 @@
 - (void)setValue:(nullable NSString *)value forHTTPHeaderField:(nullable NSString *)field {
     if (value) {
         self.HTTPHeaders[field] = value;
-    }
-    else {
+    } else {
         [self.HTTPHeaders removeObjectForKey:field];
     }
 }
@@ -264,7 +263,7 @@
 }
 
 - (void)setSuspended:(BOOL)suspended {
-    (self.downloadQueue).suspended = suspended;
+    self.downloadQueue.suspended = suspended;
 }
 
 - (void)cancelAllDownloads {

@@ -272,8 +272,7 @@ didReceiveResponse:(NSURLResponse *)response
         dispatch_async(dispatch_get_main_queue(), ^{
             [[NSNotificationCenter defaultCenter] postNotificationName:SDWebImageDownloadReceiveResponseNotification object:weakSelf];
         });
-    }
-    else {
+    } else {
         NSUInteger code = ((NSHTTPURLResponse *)response).statusCode;
         
         //This is the case when server returns '304 Not Modified'. It means that remote image is not changed.

@@ -61,7 +61,7 @@ typedef void(^SDWebImagePrefetcherCompletionBlock)(NSUInteger noOfFinishedUrls,
 /**
  * Queue options for Prefetcher. Defaults to Main Queue.
  */
-@property (nonatomic, assign, nonnull) dispatch_queue_t prefetcherQueue;
+@property (SDDispatchQueueSetterSementics, nonatomic, nonnull) dispatch_queue_t prefetcherQueue;
 
 @property (weak, nonatomic, nullable) id <SDWebImagePrefetcherDelegate> delegate;