dir.c: define O_CLOEXEC for older systems
SuSE 10 has openat(), but not O_CLOEXEC
Reported-by: wangpeiwen
[ruby-core:87591] [Bug #14864]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63720 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
dir.c: define O_CLOEXEC for older systems
SuSE 10 has openat(), but not O_CLOEXEC
Reported-by: wangpeiwen
[ruby-core:87591] [Bug #14864]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63720 b2dd03c8-39d4-4d8f-98ff-823fe69b080e