PR feedback

Co-authored-by: Jonas Böttiger <jonasboettiger@icloud.com>

Author: yungcomputerchair

library/std/src/sys/net/connection/uefi/mod.rs

@@ -112,7 +112,7 @@ impl TcpStream {
         unsupported()
     }
 
-    pub fn set_keepalive(&self, keepalive: bool) -> io::Result<()> {
+    pub fn set_keepalive(&self, _: bool) -> io::Result<()> {
         unsupported()
     }