Fixed link error in deferred renderer

Author: alekseyt

src/Renderer/DeferredRenderer.cpp

@@ -7,6 +7,8 @@
 #include <glm/matrix.hpp>
 #include <glm/gtc/type_ptr.hpp>
 
+constexpr bgfx::TextureFormat::Enum DeferredRenderer::gBufferAttachmentFormats[DeferredRenderer::GBufferAttachment::Count - 1];
+
 DeferredRenderer::DeferredRenderer(const Scene* scene) :
     Renderer(scene),
     pointLightVertexBuffer(BGFX_INVALID_HANDLE),