Going from "x5" to having three battery bars is confusing; subtract one.

(This is also a little odd: you select 5 lives and it says x4.  It does make
sense: if you ask for 5 lives total, then you start the game on your
first life and have 4 remaining.)

stepmania/src/LifeMeterBattery.cpp

@@ -192,7 +192,7 @@ void LifeMeterBattery::Refresh()
 	}
 	else
 	{
-		m_textNumLives.SetText( ssprintf("x%d", m_iLivesLeft) );
+		m_textNumLives.SetText( ssprintf("x%d", m_iLivesLeft-1) );
 		m_sprBattery.SetState( 3 );
 	}
 }