don't lowercase filenames before loading

stepmania/src/BGAnimationLayer.cpp

@@ -106,9 +106,10 @@ void BGAnimationLayer::LoadFromVisualization( CString sMoviePath )
 
 void BGAnimationLayer::LoadFromAniLayerFile( CString sPath, CString sSongBGPath )
 {
-	sPath.MakeLower();
+	CString lcPath = sPath;
+	lcPath.MakeLower();
 
-	if( sPath.Find("usesongbg") != -1 )
+	if( lcPath.Find("usesongbg") != -1 )
 	{
 		LoadFromStaticGraphic( sSongBGPath );
 		return;		// this will ignore other effects in the file name
@@ -145,7 +146,7 @@ void BGAnimationLayer::LoadFromAniLayerFile( CString sPath, CString sSongBGPath
 
 	for( int i=0; i<NUM_EFFECTS; i++ )
 	{
-		if( sPath.Find(EFFECT_STRING[i]) != -1 )
+		if( lcPath.Find(EFFECT_STRING[i]) != -1 )
 		{
 			m_Effect = (Effect)i;
 			goto found_effect;

stepmania/src/Font.cpp

@@ -38,7 +38,6 @@ void FontPage::Load( FontPageSettings cfg )
 	m_sTexturePath = cfg.TexturePath;
 
 	// load texture
-	m_sTexturePath.MakeLower();
 	RageTextureID ID(m_sTexturePath);
 	ID.bStretch = true;