Small mistake. Didn't maintain the texture pointer in the sprite so it could go out of scope and crash with use after free.

include/guecs/sfml/components.hpp

@@ -30,6 +30,7 @@ namespace guecs {
     bool stretch = true;
     bool is_icon = false;
     std::shared_ptr<sf::Sprite> sprite = nullptr;
+    std::shared_ptr<sf::Texture> texture = nullptr;
 
     void init(lel::Cell &cell);
     void update(const string& new_name);