kernel_args: fix feature flags

diff --git a/rust-bindings/rust/src/tests/kernel_args.rs b/rust-bindings/rust/src/tests/kernel_args.rs
index a24a3cb85d964143b423c8f28ef4da603508fbf2..c8f9e6256bb2f4e9af37e82d946274ee5973b37a 100644 (file)
--- a/rust-bindings/rust/src/tests/kernel_args.rs
+++ b/rust-bindings/rust/src/tests/kernel_args.rs
@@ -1,4 +1,5 @@
-#[cfg(feature = "v2019_3")]
+#![cfg(feature = "v2019_3")]
+
 use crate::KernelArgs;
 
 #[test]