missed 2 structs

src/helpers/WLClasses.hpp

@@ -143,7 +143,7 @@ struct SConstraint {
     }
 };
 
-struct CMonitor;
+class CMonitor;
 
 struct SXDGPopup {
     CWindow*        parentWindow = nullptr;

src/render/decorations/IHyprWindowDecoration.hpp

@@ -14,7 +14,7 @@ struct SWindowDecorationExtents {
 };
 
 class CWindow;
-struct CMonitor;
+class CMonitor;
 
 interface IHyprWindowDecoration {
 public: