fix compile error with Rust 1.64

As of rustc 1.64, Box::from_raw is #[must_use].
influxdata · Oct 11, 2022 · 20ca621 · 20ca621
1 parent 6b68b80
commit 20ca621
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/libflux/flux/src/cffi.rs b/libflux/flux/src/cffi.rs
@@ -97,7 +97,7 @@ pub extern "C" fn flux_free_error(_err: Option<Box<ErrorHandle>>) {}
 /// function is called twice on the same raw pointer.
 #[no_mangle]
 pub unsafe extern "C" fn flux_free_bytes(cstr: *mut c_char) {
-    Box::from_raw(cstr);
+    drop(Box::from_raw(cstr));
 }
 
 /// A buffer of flux source.