Removes ability to ignore yourself

code/modules/client/preference_setup/global/05_ooc.dm

@@ -32,6 +32,9 @@
 			var/player_to_ignore = input(user, "Who do you want to ignore?","Ignore") as null|text
 			if(player_to_ignore)
 				player_to_ignore = sanitize(ckey(player_to_ignore))
+				if(player_to_ignore == user.ckey)
+					user <<"<span class='notice'>You can't ignore yourself.</span>"
+					return TOPIC_REFRESH
 				pref.ignored_players |= player_to_ignore
 			return TOPIC_REFRESH