Use MSGBOX constants

data/maps/RocketHideout_B3F/scripts.inc

@@ -3,10 +3,10 @@ RocketHideout_B3F_MapScripts:: @ 81612B9
 
 RocketHideout_B3F_EventScript_1612BA:: @ 81612BA
 	trainerbattle_single TRAINER_TEAM_ROCKET_GRUNT_14, Text_17511A, Text_17514A
-	msgbox gUnknown_817515B, 6
+	msgbox gUnknown_817515B, MSGBOX_AUTOCLOSE
 	end
 
 RocketHideout_B3F_EventScript_1612D1:: @ 81612D1
 	trainerbattle_single TRAINER_TEAM_ROCKET_GRUNT_15, Text_17519E, Text_1751CE
-	msgbox gUnknown_81751E0, 6
+	msgbox gUnknown_81751E0, MSGBOX_AUTOCLOSE
 	end