Kernel: Properly initialize and shutdown all modules.

src/core/hle/kernel/kernel.h

@@ -95,12 +95,13 @@ public:
         return false;
     }
 
+public:
+    static unsigned int next_object_id;
+
 private:
     friend void intrusive_ptr_add_ref(Object*);
     friend void intrusive_ptr_release(Object*);
 
-    static unsigned int next_object_id;
-
     unsigned int ref_count = 0;
     unsigned int object_id = next_object_id++;
 };