remove unused variables

stepmania/src/ArrowEffects.cpp

@@ -46,7 +46,6 @@ float ArrowGetYOffset( PlayerNumber pn, float fNoteBeat )
 
 float ArrowGetXPos( PlayerNumber pn, int iColNum, float fYPos ) 
 {
-	float fSongBeat = GAMESTATE->m_fSongBeat;
 	float fPixelOffsetFromCenter = GAMESTATE->GetCurrentStyleDef()->m_ColumnInfo[pn][iColNum].fXOffset;
 	
 	if( GAMESTATE->m_PlayerOptions[pn].m_EffectType & PlayerOptions::EFFECT_DRUNK )

stepmania/src/GradeDisplay.cpp

@@ -100,7 +100,7 @@ void GradeDisplay::SpinAndSettleOn( Grade g )
 
 	SetDiffuse( D3DXCOLOR(1,1,1,1) );
 
-	int iFrameNo;
+	int iFrameNo=0;
 	switch( g )
 	{
 	case GRADE_AAA:		iFrameNo = 0;	break;

stepmania/src/LifeMeterBar.cpp

@@ -74,9 +74,7 @@ void LifeMeterBar::Load( PlayerNumber pn )
 
 void LifeMeterBar::ChangeLife( TapNoteScore score )
 {
-	bool bWasHot = IsHot();
-
-	float fDeltaLife;
+	float fDeltaLife=0.f;
 	switch( GAMESTATE->m_SongOptions.m_DrainType )
 	{
 	case SongOptions::DRAIN_NORMAL:

stepmania/src/NoteDisplay.cpp

@@ -117,8 +117,8 @@ void NoteDisplay::GetTapEdgeColors( const float fNoteBeat, D3DXCOLOR &colorLeadi
 
 
 
-	float fPercentThroughColorsLeading;		// fill these in below
-	float fPercentThroughColorsTrailing;
+	float fPercentThroughColorsLeading=0.f;		// fill these in below
+	float fPercentThroughColorsTrailing=0.f;
 	switch( ct )
 	{
 	case PlayerOptions::COLOR_VIVID:
@@ -192,7 +192,7 @@ void NoteDisplay::DrawHold( const HoldNote& hn, const bool bActive, const float
 	const float fYTailBottom = fYTail+fFrameHeight/2;	
 
 	const float fYBodyTop = fYHead;			// middle of head		
-	const float fYBodyBottom = fYTailTop;	// top of tail
+//	const float fYBodyBottom = fYTailTop;	// top of tail
 
 	const int	fYStep = 8;		// draw a segment every 8 pixels	// this requires that the texture dimensions be a multiple of 8
 

stepmania/src/TransitionRectWipe.cpp

@@ -52,7 +52,7 @@ void TransitionRectWipe::DrawPrimitives()
 	// draw all rectangles
 	for( int i=0; i<NUM_RECTANGLES; i++ )
 	{
-		int iRectX		= (int)(RECTANGLE_WIDTH * (i+0.5));
+//		int iRectX		= (int)(RECTANGLE_WIDTH * (i+0.5));
 		int iRectWidth;
 		
 		if( i < iFadeLeftEdge )