[core] Fix modernize-use-override errors in header files

As reported by clang-tidy-8.

5 files changed, 5 insertions, 5 deletions

diff --git a/src/mbgl/gfx/offscreen_texture.hpp b/src/mbgl/gfx/offscreen_texture.hpp
index 5690ff7625..d4bf5149fd 100644
--- a/src/mbgl/gfx/offscreen_texture.hpp
+++ b/src/mbgl/gfx/offscreen_texture.hpp
@@ -15,7 +15,7 @@ protected:
     }
 
 public:
-    virtual ~OffscreenTexture() = default;
+    ~OffscreenTexture() override = default;
 
     virtual bool isRenderable() = 0;
 
diff --git a/src/mbgl/gl/index_buffer_resource.hpp b/src/mbgl/gl/index_buffer_resource.hpp
index 00c66be5b5..4187994a22 100644
--- a/src/mbgl/gl/index_buffer_resource.hpp
+++ b/src/mbgl/gl/index_buffer_resource.hpp
@@ -9,7 +9,7 @@ namespace gl {
 class IndexBufferResource : public gfx::IndexBufferResource {
 public:
     IndexBufferResource(UniqueBuffer&& buffer_, int byteSize_) : buffer(std::move(buffer_)), byteSize(byteSize_) {}
-    ~IndexBufferResource();
+    ~IndexBufferResource() override;
 
     UniqueBuffer buffer;
     int byteSize;
diff --git a/src/mbgl/gl/texture_resource.hpp b/src/mbgl/gl/texture_resource.hpp
index 494e5ae8a3..fd4f69084f 100644
--- a/src/mbgl/gl/texture_resource.hpp
+++ b/src/mbgl/gl/texture_resource.hpp
@@ -9,7 +9,7 @@ namespace gl {
 class TextureResource : public gfx::TextureResource {
 public:
     TextureResource(UniqueTexture&& texture_, int byteSize_) : texture(std::move(texture_)), byteSize(byteSize_) {}
-    ~TextureResource();
+    ~TextureResource() override;
 
     static int getStorageSize(const Size& size, gfx::TexturePixelType format, gfx::TextureChannelDataType type);
 
diff --git a/src/mbgl/gl/vertex_buffer_resource.hpp b/src/mbgl/gl/vertex_buffer_resource.hpp
index f9c599c757..cbd73482a3 100644
--- a/src/mbgl/gl/vertex_buffer_resource.hpp
+++ b/src/mbgl/gl/vertex_buffer_resource.hpp
@@ -9,7 +9,7 @@ namespace gl {
 class VertexBufferResource : public gfx::VertexBufferResource {
 public:
     VertexBufferResource(UniqueBuffer&& buffer_, int byteSize_) : buffer(std::move(buffer_)), byteSize(byteSize_) {}
-    ~VertexBufferResource();
+    ~VertexBufferResource() override;
 
     UniqueBuffer buffer;
     int byteSize;
diff --git a/src/mbgl/renderer/render_source.hpp b/src/mbgl/renderer/render_source.hpp
index 5b6c9de1b7..8e09b46931 100644
--- a/src/mbgl/renderer/render_source.hpp
+++ b/src/mbgl/renderer/render_source.hpp
@@ -48,7 +48,7 @@ using RenderTiles = std::shared_ptr<const std::vector<std::reference_wrapper<con
 class RenderSource : protected TileObserver {
 public:
     static std::unique_ptr<RenderSource> create(const Immutable<style::Source::Impl>&);
-    virtual ~RenderSource();
+    ~RenderSource() override;
 
     bool isEnabled() const;
     virtual bool isLoaded() const = 0;