Rename tag offset functions

Fix typo

src/field_specials.c

@@ -35,7 +35,6 @@
 #include "rtc.h"
 #include "script.h"
 #include "script_menu.h"
-#include "slot_machine.h"
 #include "sound.h"
 #include "starter_choose.h"
 #include "string_util.h"
@@ -59,6 +58,7 @@
 #include "constants/mevent.h"
 #include "constants/tv.h"
 #include "constants/script_menu.h"
+#include "constants/slot_machine.h"
 #include "constants/songs.h"
 #include "constants/species.h"
 #include "constants/moves.h"