He wrote a patch, so applied.
* Makefile.in: added copyright ARAI Shun-ichi <hermes@ceres.dti.ne.jp>
* Makefile.in: deleted old Maintaner
+ * NEWS: fixed typo: forgot changing the number of problems
2015-01-29 Mitsutoshi NAKANO <bkbin005@rinku.zaq.ne.jp>