fix: correct closing brace syntax errors

Co-authored-by: aider (openai/andrew/openrouter/qwen/qwen3-coder) <aider@aider.chat>

src/meta_plugin/magic.rs

@@ -57,8 +57,7 @@ impl MagicFileMetaPlugin {
     pub fn new_simple() -> MagicFileMetaPlugin {
         Self::new(None, None)
     }
-}
-
+    
     fn get_magic_result(&self, flags: CookieFlags) -> io::Result<String> {
         // Use the existing cookie and just change flags
         if let Some(cookie) = &self.cookie {