HackStudio: Set icon for 'make is not available' notification

Userland/DevTools/HackStudio/main.cpp

@@ -128,6 +128,7 @@ static bool make_is_available()
 static void notify_make_not_available()
 {
     auto notification = GUI::Notification::construct();
+    notification->set_icon(Gfx::Bitmap::load_from_file("/res/icons/32x32/app-hack-studio.png"));
     notification->set_title("'make' Not Available");
     notification->set_text("You probably want to install the binutils, gcc, and make ports from the root of the Serenity repository");
     notification->show();