(mac_draw_vertical_window_border): Use foreground of

(mac_draw_vertical_window_border): Use foreground of
VERTICAL_BORDER_FACE_ID for vertical border line.
(mac_encode_char): Call check_ccl_update in advance.
(mac_to_x_fontname, x_font_name_to_mac_font_name)
(init_font_name_table, mac_do_list_fonts, XLoadQueryFont): Don't
assume that font family length is less than 32.
(x_compute_min_glyph_bounds): Make static.
(x_load_font): Never set fonts_changed_p to zero.