Fix a compiler warning.

Change-Id: If82ec145b9076c1418460fa4d59595e0a60e5a0f
Reviewed-by: Jun Zhu <jun.5.zhu@nokia.com>
Reviewed-by: Dmytro Poplavskiy <dmytro.poplavskiy@nokia.com>

src/multimedia/audio/qsoundeffect_pulse_p.cpp

@@ -360,8 +360,8 @@ QSoundEffectPrivate::QSoundEffectPrivate(QObject* parent):
     m_volume(100),
     m_loopCount(1),
     m_runningCount(0),
-    m_sample(0),
     m_reloadCategory(false),
+    m_sample(0),
     m_position(0)
 {
     m_ref = new QSoundEffectRef(this);