Merge pull request #2640 from AdmiralCurtiss/real-wiimote-crash-fix

WiimoteReal: Fix crash when switching a real Wiimote to a different slot or type during emulation.

Source/Core/Core/HW/WiimoteReal/WiimoteReal.cpp

@@ -484,10 +484,13 @@ void WiimoteScanner::ThreadFunc()
 }
 
 bool Wiimote::Connect()
+{
+	if (!m_run_thread.load())
 	{
 		m_thread_ready.store(false);
 		StartThread();
 		WaitReady();
+	}
 	return IsConnected();
 }