Fix missing descriptions on guns.

examine() is supposed to return a value, these ones did not.

code/modules/projectiles/gun.dm

@@ -748,7 +748,7 @@
 		recoil = initial(recoil)
 
 /obj/item/weapon/gun/examine(mob/user)
-	..()
+	. = ..()
 	if(firemodes.len > 1)
 		var/datum/firemode/current_mode = firemodes[sel_mode]
 		to_chat(user, "The fire selector is set to [current_mode.name].")

code/modules/projectiles/guns/energy.dm

@@ -144,7 +144,7 @@
 	return null
 
 /obj/item/weapon/gun/energy/examine(mob/user)
-	..(user)
+	. = ..()
 	if(power_supply)
 		var/shots_remaining = round(power_supply.charge / charge_cost)
 		user << "Has [shots_remaining] shot\s remaining."