Prelim names for mvmt actions; merge field_ground_effect into evobjmv

src/item_use.c

@@ -19,7 +19,7 @@
 #include "mail.h"
 #include "main.h"
 #include "malloc.h"
-#include "event_object_80688E4.h"
+#include "event_object_movement.h"
 #include "event_object_lock.h"
 #include "metatile_behavior.h"
 #include "new_menu_helpers.h"