Test returning Vec by value from C to Rust
diff --git a/tests/ffi/tests.h b/tests/ffi/tests.h
index 0e9081a..9a067d2 100644
--- a/tests/ffi/tests.h
+++ b/tests/ffi/tests.h
@@ -36,6 +36,7 @@
std::unique_ptr<std::vector<Shared>> c_return_unique_ptr_vector_shared();
std::unique_ptr<std::vector<C>> c_return_unique_ptr_vector_opaque();
const std::vector<uint8_t> &c_return_ref_vector(const C &c);
+rust::Vec<uint8_t> c_return_rust_vec();
void c_take_primitive(size_t n);
void c_take_shared(Shared shared);