reccmp: vtable comparison (#452)

* Add vtable comparison to reccmp

* Add missing scalar deleting destructors

* Fix some vtables

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Co-authored-by: Christian Semmler <mail@csemmler.com>

LEGO1/lego/legoomni/include/mxbackgroundaudiomanager.h

@@ -46,6 +46,9 @@ public:
 	void LowerVolume();
 	void RaiseVolume();
 
+	// SYNTHETIC: LEGO1 0x1007ec00
+	// MxBackgroundAudioManager::`scalar deleting destructor'
+
 private:
 	void Init();
 	MxResult OpenMusic(MxAtomId& p_script);