Log Message:
Update mlterm to 3.3.5.

pkgsrc changes:
 - remove post-3.3.4 fix patches
 - pull post-3.3.5 bug fixes

Changes from doc/en/ReleaseNote:

* Support Animation GIF on "show_picture" of OSC 5379.
  (It works with https://bitbucket.org/arakiken/w3m/get/remoteimg.tar.gz)
* Add "add_frame" to OSC 5379.
* Bug fixes:
  Fix compiler error on NetBSD/OpenBSD framebuffer. (enbugged at 3.3.4)
  Fix the bug which sometimes disabled to show large sixel graphics sequence.
  (enbugged at 3.3.4)
  Output ^? instead of ^H on TERM=xterm by default in pressing backspace key.
  Fix the bug which sometimes left X11 events untouched for a while.
  Fix the bug of closing the input method window unexpectedly in pressing it.
  ":Percentage" after font names in ~/.mlterm/aafont works on cairo.