[layout] clear state->log_widths after freeing
[layout] clear state->log_widths after freeing

zsx/pango,Distrotech/pango,danny-ku/pango,kari-lentz/alpha-pango,zsx/pango,danny-ku/pango,kari-lentz/alpha-pango,Distrotech/pango,OpenInkpot-archive/iplinux-pango1.0,danny-ku/pango,OpenInkpot-archive/iplinux-pango1.0,zsx/pango,zsx/pango,OpenInkpot-archive/iplinux-pango1.0,kari-lentz/alpha-pango,kari-lentz/alpha-pango,Distrotech/pango