Adds a click sound when you lock a locker. (I was so bored.)

Signed-off-by: Razek <megamattman2234@hotmail.co.uk>

code/game/objects/structures/crates_lockers/closets/secure/secure_closets.dm

@@ -61,6 +61,7 @@
 		for(var/mob/O in viewers(user, 3))
 			if((O.client && !( O.blinded )))
 				to_chat(O, "<span class='notice'>The locker has been [locked ? null : "un"]locked by [user].</span>")
+				playsound(src.loc, 'sound/machines/click.ogg', 15, 1, -3)
 		update_icon()
 	else
 		to_chat(user, "<span class='notice'>Access Denied</span>")
@@ -172,4 +173,4 @@
 			if(istype(src.loc, /obj/structure/bigDelivery)) //Do this to prevent contents from being opened into nullspace (read: bluespace)
 				var/obj/structure/bigDelivery/BD = src.loc
 				BD.attack_hand(usr)
-			open()
+			open()