mach/load_command: Prefer core over std

src/mach/load_command.rs

@@ -1,10 +1,10 @@
 //! Load commands tell the kernel and dynamic linker anything from how to load this binary into memory, what the entry point is, apple specific information, to which libraries it requires for dynamic linking
 
 use crate::error;
+use core::convert::{Try, TryFrom};
 use core::fmt::{self, Display};
 use scroll::{ctx, Endian};
 use scroll::{IOread, IOwrite, Pread, Pwrite, SizeWith};
-use std::convert::TryFrom;
 
 ///////////////////////////////////////
 // Load Commands from mach-o/loader.h
@@ -1010,7 +1010,7 @@ pub enum Platform {
     Watchos,
 }
 
-impl std::convert::From<Platform> for u32 {
+impl From<Platform> for u32 {
     fn from(platform: Platform) -> Self {
         match platform {
             Platform::Macos => LC_VERSION_MIN_MACOSX,