Tiny crash fix for the wiimote plugin as well as a safer check for the volume in DSP HLE

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3314 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/AudioCommon/Src/DSoundStream.cpp

@@ -160,7 +160,7 @@ void DSound::SetVolume(int volume)
 	m_volume = (int)floor(log10((float)volume) * 5000.0f) - 10000;
 
 	soundCriticalSection.Enter();
-	if (ds != NULL)
+	if (dsBuffer != NULL)
 		dsBuffer->SetVolume(m_volume);
 	soundCriticalSection.Leave();
 }

Source/Core/AudioCommon/Src/DSoundStream.h

@@ -68,6 +68,8 @@ public:
 		, totalRenderedBytes(0)
 		, currentPos(0)
 		, lastPos(0)
+		, dsBuffer(0)
+		, ds(0)
 	{}
 
     virtual ~DSound() {}

Source/Plugins/Plugin_Wiimote/Src/ConfigGamepad.cpp

@@ -329,7 +329,7 @@ void ConfigDialog::ToBlank(bool ToBlank)
 {
 	if (!ControlsCreated) return;
 
-	for (int j = 0; j < 4; j++)
+	for (int j = 0; j < 1; j++)
 	{
 		if(ToBlank)
 		{