Merge pull request j0r1#1 from wegylexy/patch-srtp

Fix rtpsecuresession.cpp when thread is not supported

Author: wegylexy

src/rtpsecuresession.cpp

@@ -35,13 +35,17 @@
 #ifdef RTP_SUPPORT_SRTP
 
 #include "rtprawpacket.h"
+#ifdef RTP_SUPPORT_THREAD
 #include <jthread/jmutexautolock.h>
+#endif
 #include <srtp/srtp.h>
 #include <iostream>
 #include <vector>
 
 using namespace std;
+#ifdef RTP_SUPPORT_THREAD
 using namespace jthread;
+#endif
 
 namespace jrtplib
 {