fixed cross-deadlock between pqissl and pqithreadstreamer by removing locks over atomic operations.

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7766 b45a01b8-16f6-495d-af2f-9b41ad6348cc

libretroshare/src/pqi/pqissl.cc

@@ -1767,9 +1767,7 @@ int 	pqissl::netstatus()
 
 int 	pqissl::isactive()
 {
-	RsStackMutex stack(mSslMtx); /**** LOCKED MUTEX ****/
-
-	return active;
+    return active;	// no need to mutex this. It's atomic.
 }
 
 bool 	pqissl::moretoread(uint32_t usec)

libretroshare/src/pqi/pqithreadstreamer.cc

@@ -54,10 +54,8 @@ int	pqithreadstreamer::tick()
 
 void pqithreadstreamer::start()
 {
-	{
-		RsStackMutex stack(mThreadMutex);
     mToRun = true;
-	}
+
 	RsThread::start();
 }