Follow rubygems-requirements-system change

Author: kou

lib/native-package-installer.rb

@@ -32,7 +32,8 @@ def install(spec)
 
   def initialize(spec)
     @spec = spec
-    @platform = RubyGemsRequirementsSystem::Platform.detect
+    ui = RubyGemsRequirementsSystem::UI.new(Gem.ui)
+    @platform = RubyGemsRequirementsSystem::Platform.detect(ui)
   end
 
   def install