Fix watchOS build

Sources/Cache/MemoryStorage.swift

@@ -211,5 +211,4 @@ extension MemoryStorage {
             return estimatedExpiration.isPast
         }
     }
-
 }

Sources/General/Deprecated.swift

@@ -236,7 +236,7 @@ extension KingfisherWrapper where Base: WKInterfaceImage {
             result in
             switch result {
             case .success(let value):
-                completionHandler?(value.image, nil, value.cacheType, value.imageURL)
+                completionHandler?(value.image, nil, value.cacheType, value.source?.url)
             case .failure(let error):
                 completionHandler?(nil, error as NSError, .none, nil)
             }