Rakefile in gsl-1.14.7 vs Rakefile in gsl-1.15.3

@@ -1,7 +1,7 @@
 require 'rubygems'
-require 'rake/gempackagetask'
+require 'rubygems/package_task'
 require 'rake/rdoctask'
 
 RB_GSL_VERSION = File.readlines('VERSION')[0].chomp
 
 spec = Gem::Specification.new do |s|
@@ -31,11 +31,12 @@
     'Rakefile',
     'setup.rb',
     'THANKS',
     'VERSION',
     'examples/**/*',
-    'ext/*',
+    'ext/extconf.rb',
+    'ext/*.c',
     'lib/**/*',
     'include/*',
     'rdoc/*',
     'tests/**/*'
   ].to_a
@@ -67,10 +68,10 @@
   pkg.need_zip = true
   pkg.need_tar = true
   pkg.package_files = spec.files
 end
 
-Rake::GemPackageTask.new(spec) do |pkg|
+Gem::PackageTask.new(spec) do |pkg|
   pkg.need_zip = false
   pkg.need_tar = false
 end
 
 task :default => [:package, :gem]