[librsvg: 3/5] Derive a Default impl for Loader and use it from Loader::new()

[Federico Mena Quintero <federico src gnome org>]

commit b10eba9010e0eff6b9ef0f692dd0a81eba8c8bf8
Author: Sven Neumann <sven svenfoo org>
Date:   Tue Aug 25 08:17:54 2020 +0200

    Derive a Default impl for Loader and use it from Loader::new()
    
    See https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default

 librsvg_crate/src/lib.rs | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/librsvg_crate/src/lib.rs b/librsvg_crate/src/lib.rs
index d66f75fb..70f21efd 100644
--- a/librsvg_crate/src/lib.rs
+++ b/librsvg_crate/src/lib.rs
@@ -174,6 +174,7 @@ pub use rsvg_internals::{
 /// functions to load an [`SvgHandle`][SvgHandle].
 ///
 /// [SvgHandle]: struct.SvgHandle.html
+#[derive(Default)]
 pub struct Loader {
     unlimited_size: bool,
     keep_image_data: bool,
@@ -200,10 +201,7 @@ impl Loader {
     ///     .unwrap();
     /// ```
     pub fn new() -> Self {
-        Loader {
-            unlimited_size: false,
-            keep_image_data: false,
-        }
+        Self::default()
     }
 
     /// Controls safety limits used in the XML parser.