Clang-Format: Allow empty functions to be single-line

For example

```
OIIOOutputDriver::~OIIOOutputDriver()
{
}
```

becomes

```
OIIOOutputDriver::~OIIOOutputDriver() {}
```

Saves quite some vertical space, which is especially handy for
constructors.

Pull Request: https://projects.blender.org/blender/blender/pulls/105594

intern/iksolver/intern/IK_QJacobian.cpp

@@ -7,13 +7,9 @@
 
 #include "IK_QJacobian.h"
 
-IK_QJacobian::IK_QJacobian() : m_sdls(true), m_min_damp(1.0)
-{
-}
+IK_QJacobian::IK_QJacobian() : m_sdls(true), m_min_damp(1.0) {}
 
-IK_QJacobian::~IK_QJacobian()
-{
-}
+IK_QJacobian::~IK_QJacobian() {}
 
 void IK_QJacobian::ArmMatrices(int dof, int task_size)
 {

intern/iksolver/intern/IK_QJacobianSolver.h

@@ -23,9 +23,7 @@
 class IK_QJacobianSolver {
  public:
   IK_QJacobianSolver();
-  ~IK_QJacobianSolver()
-  {
-  }
+  ~IK_QJacobianSolver() {}
 
   // setup pole vector constraint
   void SetPoleVectorConstraint(

intern/iksolver/intern/IK_QSegment.cpp

@@ -339,9 +339,7 @@ void IK_QSphericalSegment::UpdateAngleApply()
 
 // IK_QNullSegment
 
-IK_QNullSegment::IK_QNullSegment() : IK_QSegment(0, false)
-{
-}
+IK_QNullSegment::IK_QNullSegment() : IK_QSegment(0, false) {}
 
 // IK_QRevoluteSegment
 
@@ -427,9 +425,7 @@ void IK_QRevoluteSegment::SetWeight(int axis, double weight)
 
 // IK_QSwingSegment
 
-IK_QSwingSegment::IK_QSwingSegment() : IK_QSegment(2, false), m_limit_x(false), m_limit_z(false)
-{
-}
+IK_QSwingSegment::IK_QSwingSegment() : IK_QSegment(2, false), m_limit_x(false), m_limit_z(false) {}
 
 void IK_QSwingSegment::SetBasis(const Matrix3d &basis)
 {

intern/iksolver/intern/IK_QSegment.h

@@ -154,20 +154,14 @@ class IK_QSegment {
 
   // update the angles using the dTheta's computed using the jacobian matrix
   virtual bool UpdateAngle(const IK_QJacobian &, Vector3d &, bool *) = 0;
-  virtual void Lock(int, IK_QJacobian &, Vector3d &)
-  {
-  }
+  virtual void Lock(int, IK_QJacobian &, Vector3d &) {}
   virtual void UpdateAngleApply() = 0;
 
   // set joint limits
-  virtual void SetLimit(int, double, double)
-  {
-  }
+  virtual void SetLimit(int, double, double) {}
 
   // set joint weights (per axis)
-  virtual void SetWeight(int, double)
-  {
-  }
+  virtual void SetWeight(int, double) {}
 
   virtual void SetBasis(const Matrix3d &basis)
   {
@@ -251,9 +245,7 @@ class IK_QNullSegment : public IK_QSegment {
   {
     return false;
   }
-  void UpdateAngleApply()
-  {
-  }
+  void UpdateAngleApply() {}
 
   Vector3d Axis(int) const
   {

intern/iksolver/intern/IK_QTask.h

@@ -14,9 +14,7 @@
 class IK_QTask {
  public:
   IK_QTask(int size, bool primary, bool active, const IK_QSegment *segment);
-  virtual ~IK_QTask()
-  {
-  }
+  virtual ~IK_QTask() {}
 
   int Id() const
   {
@@ -62,9 +60,7 @@ class IK_QTask {
     return false;
   }
 
-  virtual void Scale(double)
-  {
-  }
+  virtual void Scale(double) {}
 
  protected:
   int m_id;

intern/iksolver/intern/IK_Solver.cpp

@@ -17,9 +17,7 @@ using namespace std;
 class IK_QSolver {
  public:
   EIGEN_MAKE_ALIGNED_OPERATOR_NEW
-  IK_QSolver() : root(NULL)
-  {
-  }
+  IK_QSolver() : root(NULL) {}
 
   IK_QJacobianSolver solver;
   IK_QSegment *root;