fix automake warning
fix automake warning

Hiroyuki-Nagata/JaneClone,Hiroyuki-Nagata/JaneClone,Hiroyuki-Nagata/JaneClone,Hiroyuki-Nagata/JaneClone,Hiroyuki-Nagata/JaneClone,Hiroyuki-Nagata/JaneClone,Hiroyuki-Nagata/JaneClone