Rename casing files

src/include/game/casing.h

@@ -1,8 +1,9 @@
-#ifndef IN_GAME_GAME_01D9F0_H
-#define IN_GAME_GAME_01D9F0_H
+#ifndef IN_GAME_CASING_H
+#define IN_GAME_CASING_H
 #include <ultra64.h>
 #include "types.h"
 
+void casingsReset(void);
 void casingTick(struct casing *arg0);
 void casingsTick(void);
 

src/include/game/game_010b20.h

@@ -3,7 +3,6 @@
 #include <ultra64.h>
 #include "types.h"
 
-void casingsReset(void);
 void func0f010bb0(void);
 
 #endif