Log Message:
Update mlterm to 3.2.1. (leaf package update)
Also pull post-3.2.1 patches for configure scripts.

pkgsrc changes:
 - remove obsolete post-3.2.0 patches
 - adjust for etc/font-fb changes
 - update PLIST for new framebuffer software keyboard files

Changes from doc/en/ReleaseNote:

ver 3.2.1
* Support framebuffer on OpenBSD.
* Support software keyboard on framebuffer.
  (Double-click Button1 at the right bottom corner of the screen to show it.)
* Support USB keyboard with iBus on NetBSD/OpenBSD framebuffer.
* Support CSI ? 69 h, CSI ? 69 l (DECLRMM) and CSI pl;pr s (DECSLRM).
* Support CSI 3 m and CSI 23 m which set/unset italic attribute.
* Prefer JISX0208 to JISX0213 all the time in converting Unicode to other cs.
* If DEFAULT=-foo-bar-medium-r-*--%d-*- is specified in ~/.mlterm/font,
  -foo-bar-bold-r-*--%d-*-, -foo-bar-medium-i-*--%d-*- or -foo-bar-bold-i-*--%d-*-
  are automatically searched for a bold, italic or bold italic font.
* Bug fixes:
  SF Bug #3614142 (Thanks to Ahmed El-Mahmoudy)
  SF Bug #3614192 (Thanks to Ahmed El-Mahmoudy)
  Fix the bug which caused segmentation fault in using a font whose width doesn't
  match the usascii font on 24 or 32 bpp framebuffer.
  Fix the bug which caused segmentation fault in closing input method status window.
  Fix the bug which caused segmentation fault in loading illegal pcf fonts.
  Resize the window in attaching a new pty. (enbugged at 3.2.0)
  Fix the bug which disabled mlconfig and mlterm-menu. (enbugged at 3.2.0)
  Fix the error message in the failure of loading US-ASCII font.
  Fix the bug which lets parcellite reset the selected region.
  Report relative-origin position of the cursor to CPR sequence.