[librsvg] node: small cleanup

[Paolo Borelli <pborelli src gnome org>]

commit fd24ae31a234f28891b6bdf53867d73cebeeeb64
Author: Paolo Borelli <pborelli gnome org>
Date:   Sun Jun 30 10:30:55 2019 +0200

    node: small cleanup
    
    Make code more explicit, assignment inside Ok() is misleading.

 rsvg_internals/src/node.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/rsvg_internals/src/node.rs b/rsvg_internals/src/node.rs
index 4d9b06b3..2937b9b1 100644
--- a/rsvg_internals/src/node.rs
+++ b/rsvg_internals/src/node.rs
@@ -136,9 +136,11 @@ impl NodeData {
                 local_name!("transform") => {
                     return Matrix::parse_str(value)
                         .attribute(attr)
-                        .and_then(|affine| Ok(self.transform = affine));
+                        .and_then(|affine| {
+                            self.transform = affine;
+                            Ok(())
+                        });
                 }
-
                 _ => (),
             }
         }