address some lint warnings

Author: danieleades

mavlink-bindgen/src/parser.rs

@@ -1094,14 +1094,11 @@ pub fn parse_profile(
     for e in events {
         match e {
             Ok(Event::Start(bytes)) => {
-                let id = match identify_element(bytes.name().into_inner()) {
-                    None => {
-                        panic!(
-                            "unexpected element {:?}",
-                            String::from_utf8_lossy(bytes.name().into_inner())
-                        );
-                    }
-                    Some(kind) => kind,
+                let Some(id) = identify_element(bytes.name().into_inner()) else {
+                    panic!(
+                        "unexpected element {:?}",
+                        String::from_utf8_lossy(bytes.name().into_inner())
+                    );
                 };
 
                 assert!(
@@ -1116,14 +1113,14 @@ pub fn parse_profile(
                         is_in_extension = true;
                     }
                     MavXmlElement::Message => {
-                        message = Default::default();
+                        message = MavMessage::default();
                     }
                     MavXmlElement::Field => {
-                        field = Default::default();
+                        field = MavField::default();
                         field.is_extension = is_in_extension;
                     }
                     MavXmlElement::Enum => {
-                        mavenum = Default::default();
+                        mavenum = MavEnum::default();
                     }
                     MavXmlElement::Entry => {
                         entry = MavEnumEntry::default();