Fix g++ error

Author: djowel

lib/host/gtk3/window.cpp

@@ -39,8 +39,8 @@ namespace cycfi::elements
       return gdk_window_get_scale_factor(gdk_win);
    }
 
-   window::window(std::string const& name, int style_, rect const& bounds)
-    : _window(new host_window)
+   window::window(std::string const& name, int /*style_*/, rect const& bounds)
+    :  _window(new host_window)
    {
       // Chicken and egg. GTK wants us to create windows only
       // after the app is activated. So we have a scheme to

lib/include/elements/element/gallery/button.hpp

@@ -286,8 +286,8 @@ namespace cycfi::elements
       using direction_t = default_button_styler::direction;
       constexpr static bool has_default_corner_radius = false;
 
-                              button_styler_rounded_half_default(Base base)
-                               : Base(std::move(base))
+                              button_styler_rounded_half_default(Base const& base)
+                               : Base(base)
                               {}
 
       virtual float           get_corner_radius_top_left() const override;