api: unify http precondition handling

src/api/s3/get.rs

@@ -828,7 +828,7 @@ impl PreconditionHeaders {
 			}
 		} else if let Some(ius) = &self.if_unmodified_since {
 			// Step 2: if-unmodified-since is present, and if-match is absent
-			if v_date > ius {
+			if v_date > *ius {
 				return Ok(Some(StatusCode::PRECONDITION_FAILED));
 			}
 		}
@@ -840,7 +840,7 @@ impl PreconditionHeaders {
 			}
 		} else if let Some(ims) = &self.if_modified_since {
 			// Step 4: if-modified-since is present, and if-none-match is absent
-			if v_date <= ims {
+			if v_date <= *ims {
 				return Ok(Some(StatusCode::NOT_MODIFIED));
 			}
 		}