Log Message:
x11/liblxqt: update to 0.15.1

liblxqt-0.15.1 / 2020-05-28
===========================
  * Bumped version to 0.15.1.
  * Removed dead codes.
  * Removed Xdg Dirs Fallback workaround.
  * Let Qt handle dialog position.
  * Prevent crash when closing screen saver error message.

liblxqt-0.15.0 / 2020-04-22
===========================
  * Bumped version to 0.15.0.
  * Fixed licenses.
  * Removed message handler from lxqtapplication.
  * Set default button to Yes in leave dialogs.
  * C++11 code updates.
  * Used braced initializer list in returns.
  * Allow spacing to be added between items in GridLayout.
  * Set size hint of selection widget correctly.
  * Make macOS build possible.
  * Fixed compilation error on the Hurd.
  * Fixed error messages for screensavers.
  * Fixed the wrong arguments in dbusCall.
  * Allow custom lock command in lxqtscreensaver.
  * Improved error messages in lxqtscreensaver.
  * Fixed LinuxBackend backlightChanged signal.
  * Remove deprecated QDesktopWidget.
  * Remove (duplicated) string casts definitions.
  * Don't use Qt keywords "emit", "signal" and \ 
"slot" (they may collide with glib).
  * Fixed memory leak in backlight brightness driver.
  * lxqtnotification: async API for querying serverInfo.