DebugTools: explicitly define destructor in source file.

Fixes Clang warning about deletion of forward-declared MeshView, causing
undefined behavior.

src/DebugTools/Implementation/CapsuleRenderer.cpp

@@ -90,6 +90,10 @@ AbstractCapsuleRenderer<3>::AbstractCapsuleRenderer(): AbstractShapeRenderer<3>(
     }
 }
 
+AbstractCapsuleRenderer<2>::~AbstractCapsuleRenderer() = default;
+
+AbstractCapsuleRenderer<3>::~AbstractCapsuleRenderer() = default;
+
 template<UnsignedInt dimensions> CapsuleRenderer<dimensions>::CapsuleRenderer(const Shapes::Implementation::AbstractShape<dimensions>& capsule): capsule(static_cast<const Shapes::Implementation::Shape<Shapes::Capsule<dimensions>>&>(capsule).shape) {}
 
 template<UnsignedInt dimensions> void CapsuleRenderer<dimensions>::draw(Resource<ShapeRendererOptions>& options, const typename DimensionTraits<dimensions, Float>::MatrixType& projectionMatrix) {

src/DebugTools/Implementation/CapsuleRenderer.h

@@ -37,6 +37,7 @@ template<UnsignedInt dimensions> class AbstractCapsuleRenderer;
 template<> class AbstractCapsuleRenderer<2>: public AbstractShapeRenderer<2> {
     public:
         explicit AbstractCapsuleRenderer();
+        ~AbstractCapsuleRenderer();
 
     protected:
         Resource<MeshView> bottom, cylinder, top;
@@ -45,6 +46,7 @@ template<> class AbstractCapsuleRenderer<2>: public AbstractShapeRenderer<2> {
 template<> class AbstractCapsuleRenderer<3>: public AbstractShapeRenderer<3> {
     public:
         explicit AbstractCapsuleRenderer();
+        ~AbstractCapsuleRenderer();
 
     protected:
         Resource<MeshView> bottom, cylinder, top;