message: fix(c-api) Fix merge issue.
diff: use super::super::store::wasm_store_t;
  use super::super::trap::wasm_trap_t;
  -use super::super::types::{wasm_functype_t, wasm_functype_t, wasm_valkind_enum};
  +use super::super::types::{wasm_functype_t, wasm_valkind_enum};
  use super::super::value::{wasm_val_inner, wasm_val_t};
  use std::convert::TryInto;
  use std::ffi::c_void;
  