SOUND: Mark default constructor/destructor in XACT

src/sound/xactsoundbank.h

@@ -62,7 +62,8 @@ namespace Sound {
  */
 class XACTSoundBank {
 public:
-	virtual ~XACTSoundBank() { }
+	XACTSoundBank() = default;
+	virtual ~XACTSoundBank() = default;
 
 	/** Load an XACT SoundBank, of either ASCII or Binary format. */
 	static XACTSoundBank *load(const Common::UString &name);

src/sound/xactsoundbank_ascii.h

@@ -54,6 +54,7 @@ namespace Sound {
 class XACTSoundBank_ASCII : public XACTSoundBank {
 public:
 	XACTSoundBank_ASCII(Common::SeekableReadStream &xsb);
+	virtual ~XACTSoundBank_ASCII() = default;
 
 private:
 	void load(Common::SeekableReadStream &xsb);

src/sound/xactsoundbank_binary.h

@@ -57,6 +57,7 @@ namespace Sound {
 class XACTSoundBank_Binary : public XACTSoundBank {
 public:
 	XACTSoundBank_Binary(Common::SeekableReadStream &xsb);
+	virtual ~XACTSoundBank_Binary() = default;
 
 private:
 	void load(Common::SeekableReadStream &xsb);

src/sound/xactwavebank.h

@@ -47,7 +47,8 @@ class RewindableAudioStream;
  */
 class XACTWaveBank {
 public:
-	virtual ~XACTWaveBank() { }
+	XACTWaveBank() = default;
+	virtual ~XACTWaveBank() = default;
 
 	/** Return the internal name of the WaveBank. */
 	virtual const Common::UString &getName() const = 0;

src/sound/xactwavebank_ascii.h

@@ -55,7 +55,7 @@ namespace Sound {
 class XACTWaveBank_ASCII : public XACTWaveBank {
 public:
 	XACTWaveBank_ASCII(Common::SeekableReadStream *xwb);
-	~XACTWaveBank_ASCII() { }
+	virtual ~XACTWaveBank_ASCII() = default;
 
 	/** Return the internal name of the WaveBank. */
 	const Common::UString &getName() const override { return _name; }

src/sound/xactwavebank_binary.h

@@ -59,7 +59,7 @@ namespace Sound {
 class XACTWaveBank_Binary : public XACTWaveBank {
 public:
 	XACTWaveBank_Binary(Common::SeekableReadStream *xwb);
-	~XACTWaveBank_Binary() { }
+	virtual ~XACTWaveBank_Binary() = default;
 
 	/** Return the internal name of the WaveBank. */
 	const Common::UString &getName() const override { return _name; }