CleverRaven/Cataclysm-DDA — pull request #8971 by orzogc (2014-09-13 16:04:55+00:00)
Title: Fix game freezing when listing items in SDL version

Just like #8772, utf8_width() may return a negative width, so cw must be checked.
This bug may cause the game freezing when pressing "V" to list items in Chinese SDL version.