Merge branch 'error-bit' into 'master'

uefi: Fix Status `ERROR_BIT`

Closes #2

See merge request redox-os/uefi!7

Author: jackpot51

crates/uefi/src/status.rs

@@ -1,6 +1,6 @@
 use core::ops::{ControlFlow, FromResidual, Try};
 
-pub const ERROR_BIT: usize = 1 << 63;
+pub const ERROR_BIT: usize = 1 << (usize::BITS - 1);
 
 #[derive(Copy, Clone, Debug, Eq, PartialEq)]
 #[repr(usize)]