Clean up ram vars

include/trade.h

@@ -6,8 +6,11 @@
 // Exported type declarations
 
 // Exported RAM declarations
+extern struct MailStruct gUnknown_020321C0[PARTY_SIZE];
+extern u8 gUnknown_02032298[2];
 
 // Exported ROM declarations
+extern const struct WindowTemplate gUnknown_0833900C;
 
 s32 sub_807A728(void);
 void sub_80773AC(void);