uucore/mode: add cast for some platforms

src/uu/chmod/src/chmod.rs

@@ -326,8 +326,8 @@ impl Chmoder {
                     show_error!(
                         "{}: new permissions are {}, not {}",
                         file.display(),
-                        display_permissions_unix(new_mode, false),
-                        display_permissions_unix(naively_expected_new_mode, false)
+                        display_permissions_unix(new_mode as mode_t, false),
+                        display_permissions_unix(naively_expected_new_mode as mode_t, false)
                     );
                     return Err(1);
                 }

src/uucore/src/lib/features/mode.rs

@@ -143,7 +143,7 @@ pub fn parse_mode(mode: &str) -> Result<mode_t, String> {
 pub fn get_umask() -> u32 {
     let mask = unsafe { umask(0) };
     unsafe { umask(mask) };
-    mask
+    mask as u32
 }
 
 #[cfg(test)]