Fix for Misc elements issues #216 Item 1 (Layout example: menu not processing up/down arrows correctly)

Author: djowel

examples/layout/main.cpp

@@ -285,8 +285,8 @@ auto make_popup_menu(
    auto menu =
       layer(
          vtile(
-            link(item1), link(item2),
-            link(item3), link(item4), link(item5)
+            item1, item2,
+            item3, item4, item5
          ),
          panel{}
       );

lib/include/elements/view.hpp

@@ -45,7 +45,7 @@ namespace cycfi { namespace elements
       void                    poll() override;
 
       void                    layout();
-      void                    layout(element &element);
+      void                    layout(element& element);
       float                   scale() const;
       void                    scale(float val);