Log Message:
xfce4-mount-plugin: update to 1.1.6

Change log:

1.1.6 (2023-04-20)
=====
- Remove m4 folder
- Remove unused old doc/ folder
- Improve autotools configuration
- Update copyright year
- Remove deprecated project files
- build: Add GLib requirement
- build: Fix autotools warnings
- Use xfce_panel_plugin_popup_menu() when possible
- Replace deprecated XfcePanelImage with GtkImage
- Use "logo-icon-name" instead of "logo" in about dialog
- build: Fix intltool lock file problem during make distcheck
- Update COPYING
- autoconf: Remove AC_HEADER_STDC
- Bump version to 1.1.5 after German translation update and compilation
on FreeBSD 12.2
- Partly merge in commit 498e6d23 of skunnyk with autotools improvements
- Removed auto-generatable developer documentation, but keep Doxyfile
for anyone who wants to create the documentation
- Removed commented-out AC_CHECK lines in configure.ac.in and their
comments where reasonable as of now
- Ran 'make update-po' after fixed typo and line removements in C file
- Comment out step by step old AC_CHECKS, explaining the reasoning for
future reference and discussion, esp. wrt. *NIX compilation problems.
- Revert "remove checks for unused functions from configure.ac"
- Updated and revised German translation for next release
- Translation Updates:
  , , Albanian, Arabic, Basque, Belarusian, Bulgarian, Catalan, Chinese
  (China), Chinese (Taiwan), Croatian, Czech, Danish, Dutch, Eastern
  Armenian, English (Australia), English (United Kingdom), Estonian,
  Finnish, French, Galician, German, Greek, Hebrew, Hungarian,
  Icelandic, Indonesian, Interlingue, Italian, Japanese, Korean,
  Latvian, Lithuanian, Malay, Norwegian Bokml, Occitan (post 1500),
  Polish, Portuguese, Portuguese (Brazil), Russian, Serbian, Slovak,
  Spanish, Swedish, Thai, Turkish, Ukrainian, Urdu, Urdu (Pakistan)