[HB] Use four bytes for Null Tag, not 5
[HB] Use four bytes for Null Tag, not 5

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