naming and moving stuff

src/manager/manager3.c

@@ -5,7 +5,7 @@
 #include "room.h"
 #include "player.h"
 #include "random.h"
-#include "functions.h"
+#include "audio.h"
 
 // Facilitates the usage of minish portals.
 

src/manager/managerB.c

@@ -5,6 +5,7 @@
 #include "room.h"
 #include "area.h"
 #include "utils.h"
+#include "audio.h"
 #include "functions.h"
 
 /*

src/manager/managerE.c

@@ -3,6 +3,7 @@
 #include "manager.h"
 #include "flags.h"
 #include "room.h"
+#include "audio.h"
 #include "functions.h"
 
 void sub_08058E60(ManagerE* this) {