renamed Actor.unk16C_4 to Actor.volatile_initialized

src/CCW/code_7570.c

@@ -24,8 +24,8 @@ void func_8038D9E0(Actor *this) {
     f32 sp20;
     ActorMarker *temp_v0;
 
-    if (!this->unk16C_4) {
-        this->unk16C_4 = TRUE;
+    if (!this->volatile_initialized) {
+        this->volatile_initialized = TRUE;
         this->depth_mode = 2;
         this->marker->unk40_22 = TRUE;
         func_8038D960(this, 1);