LibGUI: Include keyboard modifier state with button on_click calls

This will allow you us to implement special behavior when Ctrl+clicking
a button.

1 files changed, 1 insertions, 1 deletions

diff --git a/Demos/HelloWorld/main.cpp b/Demos/HelloWorld/main.cpp
index 7bbe69a1dc..79e6934926 100644
--- a/Demos/HelloWorld/main.cpp
+++ b/Demos/HelloWorld/main.cpp
@@ -52,7 +52,7 @@ int main(int argc, char** argv)
     button.set_text("Good-bye");
     button.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
     button.set_preferred_size(0, 20);
-    button.on_click = [&] {
+    button.on_click = [&](auto) {
         app.quit();
     };