采用纯oc sdk解决版本适配问题；解决呼叫不能截屏问题

chenqiyang

2021-09-01 8fb1bc18bad99b2de79783848b41d07da01315a7

 Shared.IOS.HDLLinphoneSDK/Shared.IOS.HDLLinphoneSDK/Library/ortp.framework/Headers/nack.h

@@ -33,7 +33,6 @@
   RtpSession *session;
   OrtpEvDispatcher *ev_dispatcher;
   RtpTransportModifier *rtp_modifier;
   RtpTransportModifier *rtcp_modifier;
   queue_t sent_packets;
   bctbx_mutex_t sent_packets_mutex;
   int max_packets;