GC fixes

code/modules/power/tracker.dm

@@ -23,7 +23,7 @@
 
 /obj/machinery/power/tracker/Destroy()
 	unset_control() //remove from control computer
-	..()
+	return ..()
 
 //set the control of the tracker to a given computer if closer than SOLAR_MAX_DIST
 /obj/machinery/power/tracker/proc/set_control(var/obj/machinery/power/solar_control/SC)
@@ -70,7 +70,7 @@
 				S.give_glass()
 			playsound(src.loc, 'sound/items/Deconstruct.ogg', 50, 1)
 			user.visible_message("<span class='notice'>[user] takes the glass off the tracker.</span>")
-			del(src) // qdel
+			qdel(src) // qdel
 		return
 	..()