fix: implement PartialOrd via Ord

Signed-off-by: Martin Kröning <[email protected]>

Author: mkroening

src/volatile_ptr/mod.rs

@@ -79,7 +79,7 @@ where
     T: ?Sized,
 {
     fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
-        Some(Ord::cmp(&self.pointer.as_ptr(), &other.pointer.as_ptr()))
+        Some(self.cmp(other))
     }
 }
 

src/volatile_ref.rs

@@ -314,7 +314,7 @@ where
     T: ?Sized,
 {
     fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
-        Some(Ord::cmp(&self.pointer.as_ptr(), &other.pointer.as_ptr()))
+        Some(self.cmp(other))
     }
 }