Fix tests/rustdoc/target-feature.rs test by adding missing #![feature(doc_cfg)]

GuillaumeGomez · GuillaumeGomez · commit e11d460c05ec · 2025-07-17T11:47:32.000+02:00
diff --git a/tests/rustdoc/target-feature.rs b/tests/rustdoc/target-feature.rs
@@ -1,3 +1,5 @@
+#![feature(doc_cfg)]
+
 #![crate_name = "foo"]
 
 //@ has 'foo/index.html'
