Update util_client.lua (multitheftauto#562)

This function is deprecated. This means that its use is discouraged and that it might not exist in future versions. 

use setVehicleRotorSpeed instead.

Author: shadylua

[gamemodes]/[race]/race/util_client.lua

@@ -153,7 +153,7 @@ end
 function checkVehicleIsHelicopter()
 	local vehID = getElementModel(g_Vehicle)
 	if vehID == 417 or vehID == 425 or vehID == 447 or vehID == 465 or vehID == 469 or vehID == 487 or vehID == 488 or vehID == 497 or vehID == 501 or vehID == 548 or vehID == 563 then
-		setHelicopterRotorSpeed (g_Vehicle, 0.2)
+		setVehicleRotorSpeed(g_Vehicle, 0.2)
 	end
 end