fix: fix RtmpStreaming

Author: plutoless

windows/APIExample/APIExample/Advanced/RTMPStream/AgoraRtmpStreaming.cpp

@@ -472,8 +472,8 @@ LRESULT CAgoraRtmpStreamingDlg::OnEIDJoinChannelSuccess(WPARAM wParam, LPARAM lP
 LRESULT CAgoraRtmpStreamingDlg::OnEIDUserJoined(WPARAM wParam, LPARAM lParam)
 {
 	m_liveTransCoding.userCount = 2;
-	TranscodingUser localUser = m_liveTransCoding.transcodingUsers[0];
 	m_liveTransCoding.transcodingUsers = new TranscodingUser[2];
+    TranscodingUser localUser = m_liveTransCoding.transcodingUsers[0];
 	TranscodingUser tanrsCodingUser;
 	tanrsCodingUser.uid = wParam;
 	tanrsCodingUser.alpha = 1;