ci: missing includes

Author: jcelerier

examples/Advanced/UI/Multislider.hpp

@@ -1,14 +1,17 @@
 #pragma once
 
+#include <cmath>
 #include <halp/audio.hpp>
 #include <halp/controls.hpp>
 #include <halp/custom_widgets.hpp>
 #include <halp/layout.hpp>
 #include <halp/meta.hpp>
 #include <halp/value_types.hpp>
 
-#include <cmath>
+#include <algorithm>
 #include <functional>
+#include <utility>
+#include <variant>
 #include <vector>
 
 namespace uo

examples/Advanced/UI/Widgets.hpp

@@ -1,4 +1,5 @@
 #pragma once
+#include <halp/callback.hpp>
 #include <halp/controls.hpp>
 #include <halp/messages.hpp>
 #include <halp/meta.hpp>