Fix the watchOS compile issue again

Author: dreampiggy

SDWebImageSwiftUI/Classes/ObjC/SDAnimatedImageInterface+WebCache.m

@@ -7,6 +7,9 @@
 */
 
 #import "SDAnimatedImageInterface+WebCache.h"
+
+#if SD_WATCH
+
 #import <objc/runtime.h>
 
 @implementation SDAnimatedImageInterface (WebCache)
@@ -55,3 +58,5 @@ - (void)sd_setImageWithURL:(nullable NSURL *)url
 }
 
 @end
+
+#endif