fixed the missing prototype defintion of hcl_instantiate()

lib/hcl-prv.h

@@ -1061,6 +1061,13 @@ hcl_oop_t hcl_allocwordobj (
 	hcl_oow_t        len
 );
 
+hcl_oop_t hcl_instantiate (
+	hcl_t*          hcl,
+	hcl_oop_class_t _class,
+	const void*     vptr,
+	hcl_oow_t       vlen
+);
+
 /* ========================================================================= */
 /* sym.c                                                                     */
 /* ========================================================================= */

lib/prim.c

@@ -881,7 +881,6 @@ static hcl_pfrc_t pf_object_new (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs)
 	obj = hcl_instantiate(hcl, class_, HCL_NULL, 0);
 	if (HCL_UNLIKELY(!obj)) return HCL_PF_FAILURE;
 
-
 	HCL_STACK_SETRET (hcl, nargs, obj);
 	return HCL_PF_SUCCESS;
 }