Revision control

++ Qt 5.11.2 is a bug-fix release. It maintains both forward and backward
++ compatibility (source and binary) with Qt 5.11.0 through 5.11.1.
++
++ For more details, refer to the online documentation included in this
++ distribution. The documentation is also available online:
++
++
++ The Qt version 5.11 series is binary compatible with the 5.10.x series.
++ Applications compiled for 5.10 will continue to run with 5.11.
++
++ Some of the changes listed in this file include issue tracking numbers
++ corresponding to tasks in the Qt Bug Tracker:
++
++
++ Each of these identifiers can be entered in the bug tracker to obtain more
++ information about a particular change.
++
++ ****************************************************************************
++ * Qt 5.11.2 Changes *
++ ****************************************************************************
++
++ - Added support for building QtWayland on macOS.
++
++ ****************************************************************************
++ * Compositor *
++ ****************************************************************************
++
++ - [QTBUG-70126] Fixed a bug where ShellSurfaceItems for XdgToplevelV6s
++ wouldn't stop resizing.
++ - Close requests for clients using xdg-shell unstable v5 are now handled.
++ - [QTBUG-69643] Fixed a bug where subsurfaces would not be rendered if clients
++ added them before a WaylandQuickItem was created for the parent surface.
++
++ ****************************************************************************
++ * QPA plugin *
++ ****************************************************************************
++
++ - Fixed the window decorations sometimes not updating on some compositors.
++ - Fixed a bug where a window that was hidden and then shown on different
++ screen would still think it was on the first screen.
++ - Fixed a bug where a buffer was committed multiple times.
++ - Fixed a memory leak when destroying toplevel windows on xdg-shell unstable
++ v6.