[librsvg/update-clap] Remove superfluous reference

[Federico Mena Quintero <federico src gnome org>]

commit 5d2c0c77f695dd8008bbf7d1352128491a2a8cc0
Author: Federico Mena Quintero <federico gnome org>
Date:   Tue Sep 20 12:06:55 2022 -0500

    Remove superfluous reference

 src/bin/rsvg-convert.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/bin/rsvg-convert.rs b/src/bin/rsvg-convert.rs
index bde6643d3..d4aa82fb5 100644
--- a/src/bin/rsvg-convert.rs
+++ b/src/bin/rsvg-convert.rs
@@ -997,7 +997,7 @@ fn parse_args() -> Result<Converter, Error> {
 
     let language = match matches.get_one::<String>("accept-language") {
         None => Language::FromEnvironment,
-        Some(s) => AcceptLanguage::parse(&s)
+        Some(s) => AcceptLanguage::parse(s)
             .map(Language::AcceptLanguage)
             .map_err(|e| {
                 let desc = format!("{}", e);