fix encoding even if inencoding != UTF-8
fix encoding even if inencoding != UTF-8

kmuto/review,suzuki/review,kmuto/review,kuad9/review_study,murashitas/review,orangain/review,krororo/review,krororo/review,suzuki/review,orangain/review,kmuto/review,takahashim/review,krororo/review,murashitas/review,masawada/review,kuad9/review_study,masawada/review,takahashim/review