Log Message:
Update fonts/ttf-tlwg to 0.6.3

Changes from 0.6.2

    The first release from GitHub.
    Drop Tahoma and MS Sans Serif synthesizing, which caused Waree to get
    priority higher than all Thai fonts in fontconfig matching.
    Promote Loma over Waree as sans-serif candidate.
    Narrow down the width of space glyph for Loma.