* tool/rbinstall.rb: Don't install *.gemspec under lib/.

[ruby-core:48966] [Bug #7289]
  Reported by Vit Ondruch. Thanks!!!


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37608 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Sat Nov 10 12:13:41 2012  Kouhei Sutou  <kou@cozmixng.org>
+
+	* tool/rbinstall.rb: Don't install *.gemspec under lib/.
+	  [ruby-core:48966] [Bug #7289]
+	  Reported by Vit Ondruch. Thanks!!!
+
 Sat Nov 10 00:49:26 2012  Naohisa Goto  <ngotogenome@gmail.com>
 
 	* ruby_atomic.h: renamed from atomic.h to avoid header file name

tool/rbinstall.rb

@@ -499,7 +499,7 @@ end
 
 install?(:local, :comm, :lib) do
   prepare "library scripts", rubylibdir
-  noinst = %w[README* *.txt *.rdoc]
+  noinst = %w[README* *.txt *.rdoc *.gemspec]
   install_recursive(File.join(srcdir, "lib"), rubylibdir, :no_install => noinst, :mode => $data_mode)
 end