Fix 4 more relative paths + error

code/game/world.dm

@@ -677,7 +677,7 @@ var/failed_old_db_connections = 0
 	return .*/
 
 //This proc ensures that the connection to the feedback database (global variable dbcon) is established
-proc/establish_old_db_connection()
+/proc/establish_old_db_connection()
 	return SSdbcore.Connect()
 
 /* CHOMPedit

code/modules/client/preferences_yw.dm

@@ -1,4 +1,4 @@
-datum/preferences
+/datum/preferences
 	var/wingdings = 1
 	var/colorblind_mono = 0
 	var/colorblind_vulp = 0

code/modules/economy/casinocash_ch.dm

@@ -137,7 +137,7 @@
 	desc = "It's worth 1000 credits."
 	worth = 1000
 
-proc/spawn_casinochips(var/sum, spawnloc, mob/living/carbon/human/human_user as mob)
+/proc/spawn_casinochips(var/sum, spawnloc, mob/living/carbon/human/human_user as mob)
 	var/obj/item/weapon/spacecasinocash/SC = new (spawnloc)
 
 	SC.set_worth(sum)

code/modules/games/cards_ch.dm

@@ -6,7 +6,6 @@
 /obj/item/weapon/deck/casino
 	w_class = ITEMSIZE_SMALL
 	icon = 'icons/obj/playing_cards_ch.dmi'
-	list/cards = list()
 	cooldown = 0 // to prevent spam shuffle
 
 /obj/item/weapon/deck/holder/casino //WIP In future do a cool holder