Add __errno_location on Redox, DragonFlyBSD, Haiku#1432

Merged

bors merged 6 commits intorust-lang:masterfrom josephlr:errno

Jul 15, 2019

+31-5

Commits on Jul 12, 2019

Update documentation to point to Rust issue
josephlr
committed

Commits on Jul 15, 2019

Remove use of unstable feature
josephlr
committed