std::os::errno returns platform specific value. fixes #21898#21932

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bors merged 3 commits intorust-lang:masterfrom

Jormundir:std-os-errno-type

Feb 17, 2015

Commits on Feb 4, 2015

std::os::errno returns platform specific value. fixes #21898
Jormundir
committed

Commits on Feb 5, 2015

Remove unnecessary type casts.
Jormundir
committed

Commits on Feb 12, 2015

fix windows specific errno type errors.
Jormundir
committed