Add flash_protect defines for 4 objects.

This commit adds flash_protect defines for the objects in this list:
 - Type, flash_protect define
 - /obj/item/clothing/glasses/hud/health_advanced, 1
 - /obj/item/clothing/glasses/hud/security, 1
 - /obj/item/clothing/helmet/space/eva, 0
 - /obj/item/clothing/head/helmet/space/rig/medical, 0

code/modules/clothing/glasses/hud.dm

@@ -19,6 +19,7 @@
 	name = "Advanced Health Scanner HUD"
 	desc = "A heads-up display that scans the humans in view and provides accurate data about their health status.  Includes anti-flash filter."
 	icon_state = "advmedhud"
+	flash_protect = 1
 
 /obj/item/clothing/glasses/hud/health/night
 	name = "Night Vision Health Scanner HUD"
@@ -40,6 +41,7 @@
 	desc = "A heads-up display that scans the humans in view and provides accurate data about their ID status and security records."
 	icon_state = "securityhud"
 	var/global/list/jobs[0]
+	flash_protect = 1
 
 /obj/item/clothing/glasses/hud/security/jensenshades
 	name = "Augmented shades"

code/modules/clothing/spacesuits/miscellaneous.dm

@@ -126,6 +126,7 @@
 	desc = "A lightweight space helmet with the basic ability to protect the wearer from the vacuum of space during emergencies."
 	flags_inv = HIDEMASK|HIDEEARS|HIDEEYES
 	armor = list(melee = 0, bullet = 0, laser = 0,energy = 0, bomb = 0, bio = 100, rad = 20)
+	flash_protect = 0
 
 //Mime's Hardsuit
 /obj/item/clothing/head/helmet/space/eva/mime

code/modules/clothing/spacesuits/rig.dm

@@ -490,6 +490,7 @@
 	_color = "medical"
 	flags_inv = HIDEMASK|HIDEEARS|HIDEEYES
 	armor = list(melee = 10, bullet = 5, laser = 10, energy = 5, bomb = 10, bio = 100, rad = 50)
+	flash_protect = 0
 
 /obj/item/clothing/suit/space/rig/medical
 	icon_state = "rig-medical"