ANNOUNCE: xfce4-screensaver 4.18.0 released

[Gaël Bonithon]

xfce4-screensaver 4.18.0 is now available for download from
  
  https://archive.xfce.org/src/apps/xfce4-screensaver/4.18/xfce4-screensaver-4.18.0.tar.bz2
  https://archive.xfce.org/src/apps/xfce4-screensaver/4.18/xfce4-screensaver-4.18.0.tar.bz2?sha1
  https://archive.xfce.org/src/apps/xfce4-screensaver/4.18/xfce4-screensaver-4.18.0.tar.bz2?sha256


What is xfce4-screensaver?
==========================

xfce4-screensaver is a screen saver and locker that aims to have simple,
sane, secure defaults and be well integrated with the desktop.
xfce4-screensaver is a port of MATE Screensaver, itself a port of GNOME
Screensaver. It has been tightly integrated with the Xfce desktop,
utilizing Xfce libraries and the Xfconf configuration backend.

Website: 
  https://docs.xfce.org/apps/xfce4-screensaver/start


Release notes for 4.18.0
========================
- Add copyright notice to configure.ac
- Make missing GNOME Keyring PAM module warning quiet (Fixes #46)
- build: Fix --disable-locking (Fixes #83)
- Remove duplicated lines in README (Fixes #109)
- savers: Fix critical warnings on exit
- savers: Fix critical warnings from GSThemeWindow on "realize"
- Do not redirect stderr for our own commands
- Round the user picture on lock dialog.
- build: Do not warn if PAM prefix is correct
- Improve lightdm detection (Fixes #39)
- build: Fix -Wunused-value compiler warning
- build: Fix -Wdeclaration-after-statement compiler warning
- build: Fix -Wsign-compare compiler warning
- build: Use XDT_FEATURE_DEBUG
- Fix use-after-free crash in xfce4-screensaver-dialog
- Fix D-Bus sleep inhibit when screen locker is disabled
- Complete previous commit
- Fix Xfconf memory management
- build: Set GLib macros via XDT_CHECK_PACKAGE
- autogen.sh: Do not `mkdir m4`
- Fix crash when XDG_PICTURES_DIR is not set (Fixes #86)
- Fix build warning from Clang
- --with-password-helper expects full pathname of password helper
- Add missing zeroing of timeout_id in dialog_timed_out() timer handler
- Fix wrong signal name for GtkSpinButton
- Remove ENABLE_NLS ifdefs and use xfce_textdomain()
- build: Fix intltool lock file problem during make distcheck
- Fix compilation warnings
- autoconf: Some updates
- Translation Updates:
  Albanian, Armenian (Armenia), Basque, Belarusian, Bulgarian, Catalan,
  Chinese (China), Chinese (Taiwan), Danish, Dutch, Eastern Armenian,
  English (Australia), Estonian, Finnish, French, Galician, German,
  Hebrew, Hungarian, Icelandic, Indonesian, Italian, Japanese, Kabyle,
  Korean, Lithuanian, Malay, Norwegian Bokmål, Polish, Portuguese,
  Portuguese (Brazil), Russian, Serbian, Slovak, Slovenian, Spanish,
  Swedish, Thai, Ukrainian