fix VC7 warnings

stepmania/src/ScreenNetEvaluation.cpp

@@ -56,7 +56,7 @@ void ScreenNetEvaluation::RedoUserTexts()
 {
 	m_iActivePlayers = NSMAN->m_ActivePlayers;
 	//If unessiary, just don't do this function.
-	if ( m_iActivePlayers == m_textUsers.size() )
+	if ( m_iActivePlayers == (int)m_textUsers.size() )
 		return;
 
 	float cx = THEME->GetMetricF("ScreenNetEvaluation",ssprintf("User%dX",m_iShowSide));

stepmania/src/Sprite.cpp

@@ -358,7 +358,8 @@ void Sprite::Update( float fDelta )
 		 * As long as we adjust all four coordinates by the same amount,this won't be visible. */
 		if( m_bTextureWrapping )
 		{
-			const float fXAdjust = floor( fTexCoords[0] ), fYAdjust = floor( fTexCoords[1] );
+			const float fXAdjust = floorf( fTexCoords[0] );
+			const float fYAdjust = floorf( fTexCoords[1] );
 			fTexCoords[0] -= fXAdjust;
 			fTexCoords[2] -= fXAdjust;
 			fTexCoords[4] -= fXAdjust;