ext/rbconfig/sizeof: distclean

* ext/rbconfig/sizeof/extconf.rb: clean sizes.c at distclean. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46704 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-07-05 07:02:36 +00:00 · 2014-07-05 07:02:36 +00:00 · 17368c69f4
--- a/ext/rbconfig/sizeof/extconf.rb
+++ b/ext/rbconfig/sizeof/extconf.rb
@ -1,2 +1,3 @@
 $srcs = %w[sizes.c]
+$distcleanfiles.concat($srcs)
 create_makefile('rbconfig/sizeof')