message: feat(c-api) Implement `wasm_exporttype_delete`.
diff: @@ -30,6 +30,9 @@ pub extern "C" fn wasm_exporttype_type(
  unsafe { et.extern_type.as_ref() }
  }
  +#[no_mangle]
  +pub extern "C" fn wasm_exporttype_delete(_exporttype: Option<Box<wasm_exporttype_t>>) {}
  +
  impl From<ExportType> for wasm_exporttype_t {
  fn from(other: ExportType) -> Self {
  (&other).into()
  