fix build error

debian/changelog

@@ -1,4 +1,4 @@
-kwin (4:5.24.4-ok6~1123) yangtze; urgency=medium
+kwin (4:5.24.4-ok6~1123.1) yangtze; urgency=medium
 
   * tablet mode manager refactoring
   * add blur background for tablet mode

src/gestures.cpp

@@ -24,16 +24,12 @@ Gesture::Gesture(QObject *parent)
 {
 }
 
-Gesture::~Gesture() = default;
-
 SwipeGesture::SwipeGesture(QObject *parent)
     : Gesture(parent)
 {
 
 }
 
-SwipeGesture::~SwipeGesture() = default;
-
 void SwipeGesture::setStartGeometry(const QRect &geometry)
 {
     setMinimumX(geometry.x());
@@ -73,8 +69,6 @@ GestureRecognizer::GestureRecognizer(QObject *parent)
 {
 }
 
-GestureRecognizer::~GestureRecognizer() = default;
-
 void GestureRecognizer::registerGesture(KWin::Gesture* gesture)
 {
     Q_ASSERT(!m_gestures.contains(gesture));

src/gestures.h

@@ -57,7 +57,7 @@ public:
     };
 
     explicit SwipeGesture(QObject *parent = nullptr);
-    ~SwipeGesture() override;
+    ~SwipeGesture() override = default;
 
     bool minimumFingerCountIsRelevant() const {
         return m_minimumFingerCountRelevant;
@@ -190,7 +190,7 @@ class KWIN_EXPORT GestureRecognizer : public QObject
 public:
     
     GestureRecognizer(QObject *parent = nullptr);
-    ~GestureRecognizer() override;
+    ~GestureRecognizer() override = default;
     void registerGesture(Gesture *gesture);
     void unregisterGesture(Gesture *gesture);