Fixed some warnings

Former-commit-id: d7db2b471afac2d16f44a67e79842f8a7fc2100e

include/Nazara/Graphics/ForwardRenderTechnique.inl

@@ -52,6 +52,9 @@ inline void NzForwardRenderTechnique::SendLightUniforms(const NzShader* shader,
 
 inline float NzForwardRenderTechnique::ComputeDirectionalLightScore(const NzSpheref& object, const NzAbstractRenderQueue::DirectionalLight& light)
 {
+	NazaraUnused(object);
+	NazaraUnused(light);
+
 	///TODO: Compute a score depending on the light luminosity
 	return 0.f;
 }
@@ -70,6 +73,9 @@ inline float NzForwardRenderTechnique::ComputeSpotLightScore(const NzSpheref& ob
 
 inline bool NzForwardRenderTechnique::IsDirectionalLightSuitable(const NzSpheref& object, const NzAbstractRenderQueue::DirectionalLight& light)
 {
+	NazaraUnused(object);
+	NazaraUnused(light);
+
 	// Directional light are always suitables
 	return true;
 }

include/Nazara/Graphics/InstancedRenderable.inl

@@ -3,6 +3,7 @@
 // For conditions of distribution and use, see copyright notice in Config.hpp
 
 inline NzInstancedRenderable::NzInstancedRenderable(const NzInstancedRenderable& renderable) :
+NzRefCounted(),
 m_boundingVolume(renderable.m_boundingVolume),
 m_boundingVolumeUpdated(renderable.m_boundingVolumeUpdated)
 {