Update library/std/src/io/error/repr_bitpacked.rs

Co-authored-by: the8472 <[email protected]>

Author: thomcc

library/std/src/io/error/repr_bitpacked.rs

@@ -214,7 +214,7 @@ where
             let kind_bits = (bits >> 32) as u32;
             let kind = kind_from_prim(kind_bits).unwrap_or_else(|| {
                 debug_assert!(false, "Invalid io::error::Repr bits: `Repr({:#018x})`", bits);
-                // This means the `ptr` passed in was not valid, which voilates
+                // This means the `ptr` passed in was not valid, which violates
                 // the unsafe contract of `decode_repr`.
                 //
                 // Using this rather than unwrap meaningfully improves the code