fix linting

Signed-off-by: jmic <jmic@users.noreply.github.com>

src/lib.rs

@@ -364,7 +364,7 @@ mod tests {
     }
 
     #[test]
-    #[cfg(all(feature = "json"))]
+    #[cfg(feature = "json")]
     fn test_create_json_challenge_sha512() {
         let challenge_json = create_json_challenge(ChallengeOptions {
             algorithm: Some(AltchaAlgorithm::Sha512),
@@ -375,7 +375,7 @@ mod tests {
             expires: Some(DateTime::from_timestamp(1715526541, 0).unwrap()),
             ..Default::default()
         })
-            .expect("should be ok");
+        .expect("should be ok");
         assert_eq!(
             challenge_json,
             r#"{"algorithm":"SHA-512","challenge":"30af91a2099af3b64f91f271aeec65c144f8fe9efe0f42d4207a984350ecda2f72ef8fb7f55bc7125f173b0de9160f95c17c65e23dd1da30626f0aed50f4bf88","maxnumber":100000,"salt":"blubb?expires=1715526541&","signature":"12cc3c3c04622fee8d2ea729b5b825dc25344969c07957384f825f7576778df4f6a8fa76ef8d0ec47ca15206c574293613b2dd46f22b24009a974805c91062de"}"#

src/utils.rs

@@ -84,7 +84,8 @@ pub fn generate_url_from_salt_params(params: &ParamsMapType) -> String {
         .iter()
         .map(|(key, value)| key.to_owned() + "=" + value)
         .reduce(|acc, e| acc + "&" + e.as_str())
-        .unwrap() + "&"
+        .unwrap()
+        + "&"
 }
 
 #[cfg(test)]