through sub_8018798

src/trade.c

@@ -19,6 +19,8 @@
 #include "load_save.h"
 #include "mail.h"
 #include "main.h"
+#include "mevent2.h"
+#include "mystery_gift.h"
 #include "overworld.h"
 #include "palette.h"
 #include "party_menu.h"
@@ -39,6 +41,7 @@
 #include "text_window.h"
 #include "trainer_card.h"
 #include "trade.h"
+#include "union_room.h"
 #include "util.h"
 #include "window.h"
 #include "constants/easy_chat.h"