Updated the documentation of spin_loop and spin_loop_hint#59664

Merged

bors merged 2 commits intorust-lang:masterfrom DevQps:improve-yield-spinlock-docs

Apr 4, 2019

Commits on Apr 3, 2019

Updated the documentation of core::hints::spin_loop and core::sync::spin_loop_hint
Christian
committed
Updated the reference in core::hint::spin_loop to the correct relative path.
Christian
committed