cfgutils: replace STR_PARAM with PARAM_STRING

modules/cfgutils/cfgutils.c

@@ -195,7 +195,7 @@ static cmd_export_t cmds[]={
 static param_export_t params[]={ 
 	{"initial_probability", INT_PARAM, &initial_prob   },
 	{"initial_gflags",      INT_PARAM, &initial_gflags },
-	{"hash_file",           STR_PARAM, &hash_file      },
+	{"hash_file",           PARAM_STRING, &hash_file      },
 	{"lock_set_size",       INT_PARAM, &_cfg_lock_size },
 	{0,0,0}
 };