Revert "shared_ptr -> std::shared_ptr"

This reverts commit 7074f35e4b.

Minecraft.Client/QuadrupedModel.h

@@ -7,7 +7,7 @@ public:
 	ModelPart *head, *body, *leg0, *leg1, *leg2, *leg3;
 
 	QuadrupedModel(int legSize, float g);
-	virtual void render(std::shared_ptr<Entity> entity, float time, float r, float bob, float yRot, float xRot, float scale, bool usecompiled);
+	virtual void render(shared_ptr<Entity> entity, float time, float r, float bob, float yRot, float xRot, float scale, bool usecompiled);
 	virtual void setupAnim(float time, float r, float bob, float yRot, float xRot, float scale, unsigned int uiBitmaskOverrideAnim=0);
 	void render(QuadrupedModel *model, float scale, bool usecompiled);
 };