[librsvg] cargo-clippy: path_builder.rs: Copy some enums instead of moving them

[Federico Mena Quintero <federico src gnome org>]

commit 2c3060324663e39eba7c6990dab33fa424e7de13
Author: Federico Mena Quintero <federico gnome org>
Date:   Thu Feb 22 13:52:18 2018 -0600

    cargo-clippy: path_builder.rs: Copy some enums instead of moving them

 rust/src/path_builder.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/rust/src/path_builder.rs b/rust/src/path_builder.rs
index 05fa3c42..ff32c293 100644
--- a/rust/src/path_builder.rs
+++ b/rust/src/path_builder.rs
@@ -5,10 +5,10 @@ use glib::translate::*;
 use std::f64;
 use std::f64::consts::*;
 
-#[derive(Debug, PartialEq)]
+#[derive(Debug, Copy, Clone, PartialEq)]
 pub struct LargeArc(pub bool);
 
-#[derive(Debug, PartialEq)]
+#[derive(Debug, Copy, Clone, PartialEq)]
 pub enum Sweep {
     Negative,
     Positive