* test/ruby/test_io.rb (test_ioctl_linux): skip if a platform is
  not x86 because linux ioctl request number depend on cpu arch.
  At least, alpha, mips, sparc and ppc have a different number.
  [Bug #7718] [ruby-core:51544]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38941 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2013-01-26

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38942 b2dd03c8-39d4-4d8f-98ff-823fe69b080e