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),

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)]