Deheader if 64.3 and gametype == 5 1 -> 4, 4 bytes not just 1

Author: Morgan

mgz/header/de.py

@@ -162,7 +162,7 @@
     If(lambda ctx: find_save_version(ctx) >= 50, Bytes(8)),
     If(lambda ctx: find_save_version(ctx) >= 61.5, Flag),
     If(lambda ctx: find_save_version(ctx) >= 63, Bytes(5)),
-    If(lambda ctx: find_save_version(ctx) >= 64.3 and ctx.game_type == 5, Bytes(1)), # Campaign ?
+    If(lambda ctx: find_save_version(ctx) >= 64.3 and ctx.game_type == 5, Bytes(4)), # Campaign ?
     de_string,
     Bytes(5),
     If(lambda ctx: find_save_version(ctx) >= 13.13, Byte),