message: Move ctx pointer to first parameter to fix test
diff: @@ -9,7 +9,7 @@ static memory_len = 0;
  static ptr_len = 0;
  static char actual_str[14] = {};
  -void print_str(int32_t ptr, int32_t len, wasmer_instance_context_t *ctx)
  +void print_str(wasmer_instance_context_t *ctx, int32_t ptr, int32_t len)
  {
  wasmer_memory_t *memory = wasmer_instance_context_memory(ctx, 0);
  uint32_t mem_len = wasmer_memory_length(memory);
  