Merge remote-tracking branch 'remotes/kraxel/tags/ui-20190318-pull-request' into staging

ui: fixes for 4.0 (vnc, curses, keymaps).

# gpg: Signature made Mon 18 Mar 2019 11:20:19 GMT
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/ui-20190318-pull-request:
  keymaps: regenerate keymaps
  keymaps: use nodeadkeys variant for de and fr
  curses ui: add missing iconv_close calls
  curses ui: always initialize all curses_line fields
  vnc: fix unalignment access in tight_pack24

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>