Fix build warning

Author: HuijingHei

src/component.rs

@@ -112,6 +112,7 @@ pub(crate) fn component_updatedirname(component: &dyn Component) -> PathBuf {
 
 /// Returns the path to the payload directory for an available update for
 /// a component.
+#[allow(dead_code)]
 #[cfg(any(
     target_arch = "x86_64",
     target_arch = "aarch64",

src/util.rs

@@ -19,6 +19,7 @@ pub(crate) fn getenv_utf8(n: &str) -> Result<Option<String>> {
     }
 }
 
+#[allow(dead_code)]
 pub(crate) fn filenames(dir: &openat::Dir) -> Result<HashSet<String>> {
     let mut ret = HashSet::new();
     for entry in dir.list_dir(".")? {