Fix cargo clippy issue

src/main.rs

@@ -84,9 +84,9 @@ fn get_remote_ip(req: &HttpRequest, args: &Args) -> String {
     let mut ip = req.peer_addr().unwrap().ip().to_string();
 
     // We check if the request comes from a trusted reverse proxy
-    if let Some(proxy) = args.proxy_ip.as_ref() {
-        if match_ip(proxy, &ip) {
-            if let Some(header) = req.headers().get("X-Forwarded-For") {
+    if let Some(proxy) = args.proxy_ip.as_ref()
+        && match_ip(proxy, &ip)
+            && let Some(header) = req.headers().get("X-Forwarded-For") {
                 let header: Vec<String> = header
                     .to_str()
                     .unwrap()
@@ -98,8 +98,6 @@ fn get_remote_ip(req: &HttpRequest, args: &Args) -> String {
                     ip = header[0].to_string();
                 }
             }
-        }
-    }
 
     ip
 }