* gem_prelude.rb (Gem::QuickLoader.load_full_rubygems_library):

suppress a warning.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27456 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

gem_prelude.rb

@@ -142,7 +142,7 @@ if defined?(Gem) then
         @loaded_full_rubygems_library = true
 
         class << Gem
-          undef_method *Gem::GEM_PRELUDE_METHODS
+          undef_method(*Gem::GEM_PRELUDE_METHODS)
           undef_method :const_missing
           undef_method :method_missing
         end