[librsvg/librsvg-2.46] svg: use is_empty

[Federico Mena Quintero <federico src gnome org>]

commit 935358a74f4db3f5a40ab1e0981b693d546cffb6
Author: Paolo Borelli <pborelli gnome org>
Date:   Sun Oct 13 12:18:28 2019 +0200

    svg: use is_empty

 rsvg_internals/src/svg.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/rsvg_internals/src/svg.rs b/rsvg_internals/src/svg.rs
index daa0f918..f60ad413 100644
--- a/rsvg_internals/src/svg.rs
+++ b/rsvg_internals/src/svg.rs
@@ -183,7 +183,7 @@ fn load_image(
         content_type,
     } = io::acquire_data(&aurl, None)?;
 
-    if bytes.len() == 0 {
+    if bytes.is_empty() {
         return Err(LoadingError::EmptyData);
     }