muvm: fix x11bridge cfg gate

Signed-off-by: Sergio Lopez <[email protected]>

crates/muvm/src/bin/muvm.rs

@@ -382,7 +382,7 @@ fn main() -> Result<()> {
     );
     env.insert("MUVM_SERVER_COOKIE".to_owned(), cookie.to_string());
 
-    #[cfg(x11bridge)]
+    #[cfg(feature = "x11bridge")]
     if options.direct_x11 {
         let display =
             env::var("DISPLAY").context("X11 forwarding requested but DISPLAY is unset")?;