Revision control

++ Qt 5.12.5 is a bug-fix release. It maintains both forward and backward
++ compatibility (source and binary) with Qt 5.12.0 through 5.12.4.
++
++ For more details, refer to the online documentation included in this
++ distribution. The documentation is also available online:
++
++
++ The Qt version 5.12 series is binary compatible with the 5.11.x series.
++ Applications compiled for 5.11 will continue to run with 5.12.
++
++ 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.
++
++ ****************************************************************************
++ * distancefieldgenerator *
++ ****************************************************************************
++
++ - [QTBUG-76188] Fixed bug where the tool would fail for valid fonts with
++ the message "end of cmap table reached when parsing subtable".
++ - [QTBUG-76528] Fixed a bug where the generated textures might exceed the
++ maximum height.
++ - [QTBUG-76188][QTBUG-76528] Fixed possible crash when generating large
++ number of glyphs with a small texture size.
++ - [QTBUG-77501] Fixed broken text rendering when generating large glyph
++ sets.
++
++ ****************************************************************************
++ * Qt Help *
++ ****************************************************************************
++
++ - [QDS-779] Fixed possible application freeze when using QtHelp module.