MKRAVplayer 添加即将切换播放资源代理方法

MKRRadioManager/Classes/MKRRadioManager/MKRAVPlayer/MKRAVPlayer.m

@@ -626,6 +626,7 @@ NSURL * MKRUrlWithString(NSString *string){
             if (self.player.rate) {
                 self.state = MKRAVPlayerStatePlaying;
             }
+            
         }
     }
 }