fix(Windows): strange error using VS2019

Author: BotellaA

include/geode/mesh/builder/solid_mesh_builder.h

@@ -47,6 +47,7 @@ namespace geode
     class SolidMeshBuilder : public VertexSetBuilder
     {
     public:
+    virtual ~SolidMeshBuilder();
         /*!
          * Create the builder associated with a SolidMesh.
          * @param[in] mesh The SolidMesh to build/modify

include/geode/mesh/builder/surface_mesh_builder.h

@@ -49,6 +49,8 @@ namespace geode
     class SurfaceMeshBuilder : public VertexSetBuilder
     {
     public:
+        virtual ~SurfaceMeshBuilder();
+
         /*!
          * Create the builder associated with a SurfaceMesh.
          * @param[in] mesh The SurfaceMesh to build/modify

src/geode/mesh/builder/solid_mesh_builder.cpp

@@ -290,6 +290,11 @@ namespace geode
         : VertexSetBuilder( mesh ), solid_mesh_( mesh )
     {
     }
+    
+    template < index_t dimension >
+    SolidMeshBuilder< dimension >::~SolidMeshBuilder()
+    {
+    }
 
     template < index_t dimension >
     std::unique_ptr< SolidMeshBuilder< dimension > >

src/geode/mesh/builder/surface_mesh_builder.cpp

@@ -310,6 +310,11 @@ namespace geode
         SurfaceMesh< dimension >& mesh )
         : VertexSetBuilder( mesh ), surface_mesh_( mesh )
     {
+    }
+
+     template < index_t dimension >
+    SurfaceMeshBuilder< dimension >::~SurfaceMeshBuilder()
+    {
     }
 
     template < index_t dimension >