Merge branch 'only-needed-sys-un-uio' into 'master'

only import the needed types in sys_un and sys_uio

See merge request redox-os/relibc!770

src/header/sys_uio/mod.rs

@@ -7,7 +7,10 @@ use core::slice;
 
 use crate::{
     header::{errno, unistd},
-    platform::{self, types::*},
+    platform::{
+        self,
+        types::{c_int, c_void, off_t, size_t, ssize_t},
+    },
 };
 
 pub const IOV_MAX: c_int = 1024;

src/header/sys_un/mod.rs

@@ -2,7 +2,7 @@
 //!
 //! See <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/sys_un.h.html>.
 
-use crate::{header::sys_socket::sa_family_t, platform::types::*};
+use crate::{header::sys_socket::sa_family_t, platform::types::c_char};
 
 /// See <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/sys_un.h.html>.
 #[repr(C)]