Move forward declaration

include/field_door.h

@@ -22,6 +22,5 @@ s8 FieldAnimateDoorClose(u32, u32);
 s8 FieldAnimateDoorOpen(u32, u32);
 bool8 FieldIsDoorAnimationRunning(void);
 u32 GetDoorSoundEffect(u32 x, u32 y);
-bool8 sub_808A964(void);
 
 #endif

src/field_door.c

@@ -9,6 +9,8 @@
 #include "constants/maps.h"
 #include "task.h"
 
+bool8 sub_808A964(void);
+
 const u8 DoorAnimTiles_04[][0x100] =
 {
     INCBIN_U8("graphics/door_anims/04/0.4bpp"),