[Win] Compile fix, the mmdeviceapi.h header can only be included once

Change-Id: Idb9a995c90e6e0e8be392022e2a76b4d8fea853a
Reviewed-by: Yoann Lopes <yoann.lopes@theqtcompany.com>

src/plugins/wmf/player/mfaudioendpointcontrol.cpp

@@ -34,6 +34,8 @@
 #include "QtCore/qdebug.h"
 #include "mfaudioendpointcontrol.h"
 
+#include <mmdeviceapi.h>
+
 MFAudioEndpointControl::MFAudioEndpointControl(QObject *parent)
     : QAudioOutputSelectorControl(parent)
     , m_currentActivate(0)

src/plugins/wmf/player/mfaudioendpointcontrol.h

@@ -36,7 +36,6 @@
 
 #include <mfapi.h>
 #include <mfidl.h>
-#include <mmdeviceapi.h>
 
 #include "qaudiooutputselectorcontrol.h"