Partially ports the GLOB system

code/ATMOSPHERICS/datum_pipeline.dm

@@ -10,7 +10,7 @@ datum/pipeline
 	var/alert_pressure = 0
 
 	Destroy()
-		qdel_null(network)
+		QDEL_NULL(network)
 
 		if(air && air.volume)
 			temporarily_store_air()
@@ -204,16 +204,16 @@ datum/pipeline
 	proc/radiate_heat_to_space(surface, thermal_conductivity)
 		var/gas_density = air.total_moles/air.volume
 		thermal_conductivity *= min(gas_density / ( RADIATOR_OPTIMUM_PRESSURE/(R_IDEAL_GAS_EQUATION*GAS_CRITICAL_TEMPERATURE) ), 1) //mult by density ratio
-		
+
 		// We only get heat from the star on the exposed surface area.
 		// If the HE pipes gain more energy from AVERAGE_SOLAR_RADIATION than they can radiate, then they have a net heat increase.
 		var/heat_gain = AVERAGE_SOLAR_RADIATION * (RADIATOR_EXPOSED_SURFACE_AREA_RATIO * surface) * thermal_conductivity
-		
+
 		// Previously, the temperature would enter equilibrium at 26C or 294K.
 		// Only would happen if both sides (all 2 square meters of surface area) were exposed to sunlight.  We now assume it aligned edge on.
 		// It currently should stabilise at 129.6K or -143.6C
 		heat_gain -= surface * STEFAN_BOLTZMANN_CONSTANT * thermal_conductivity * (air.temperature - COSMIC_RADIATION_TEMPERATURE) ** 4
-		
+
 		air.add_thermal_energy(heat_gain)
 		if(network)
 			network.update = 1

code/ATMOSPHERICS/pipes/pipe_base.dm

@@ -72,7 +72,7 @@
 	return parent.return_network(reference)
 
 /obj/machinery/atmospherics/pipe/Destroy()
-	qdel_null(parent)
+	QDEL_NULL(parent)
 	if(air_temporary)
 		loc.assume_air(air_temporary)
 	for(var/obj/machinery/meter/meter in loc)