style: fix clippy warning.

Author: plusvic

ls/src/server.rs

@@ -706,9 +706,10 @@ impl YARALanguageServer {
                     }
 
                     for rule in &config.metadata_validation {
-                        if let Some(pattern) = &rule.regex {
-                            if let Err(err) = regex::Regex::new(pattern) {
-                                let _ = client.show_message(ShowMessageParams {
+                        if let Some(pattern) = &rule.regex
+                            && let Err(err) = regex::Regex::new(pattern)
+                        {
+                            let _ = client.show_message(ShowMessageParams {
                                     typ: MessageType::ERROR,
                                     message: format!(
                                         "YARA: invalid regex for metadata '{}': {} ({})",
@@ -717,7 +718,6 @@ impl YARALanguageServer {
                                         err
                                     ),
                                 });
-                            }
                         }
                     }