LibWeb: Add calls to JS_{DECLARE,DEFINE}_ALLOCATOR()

Author: https://github.com/mattco98
Commit: 31341b280a
Pull-request: https://github.com/SerenityOS/serenity/pull/23878
Issue: https://github.com/SerenityOS/serenity/issues/23805
Reviewed-by: https://github.com/awesomekling

Userland/Libraries/LibWeb/Layout/FrameBox.cpp

@@ -11,6 +11,8 @@
 
 namespace Web::Layout {
 
+JS_DEFINE_ALLOCATOR(FrameBox);
+
 FrameBox::FrameBox(DOM::Document& document, DOM::Element& element, NonnullRefPtr<CSS::StyleProperties> style)
     : ReplacedBox(document, element, move(style))
 {