message: feat(c-api) Implement `From<&wasm_valtype_t>` for `ValType`.
diff: @@ -60,6 +60,12 @@ wasm_declare_boxed_vec!(valtype);
  impl From<wasm_valtype_t> for ValType {
  fn from(other: wasm_valtype_t) -> Self {
  + (&other).into()
  + }
  +}
  +
  +impl From<&wasm_valtype_t> for ValType {
  + fn from(other: &wasm_valtype_t) -> Self {
  other.valkind.into()
  }
  }
  