fix linux build failure

src/platform/linux/statics.rs

@@ -10,7 +10,7 @@ pub(super) static O_PATH_MAYBE: Lazy<OFlags> = Lazy::new(|| {
 
     // for 2.6.39 <= kernel < 3.6 fstat doesn't support O_PATH see https://github.com/eminence/procfs/issues/265
     match kernel {
-        Some(v) if v < *"3.6.0" => OFlags::empty(),
+        Some(v) if v < String::from("3.6.0") => OFlags::empty(),
         Some(_) | None => OFlags::PATH,
     }
 });