Add changes file for Qt 5.9.6

Change-Id: I8f342db47d12a835a8698265c68f3906298e82ad
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
(cherry picked from commit 4e68ad5f12)

dist/changes-5.9.6

@@ -0,0 +1,46 @@
+Qt 5.9.6 is a bug-fix release. It maintains both forward and backward
+compatibility (source and binary) with Qt 5.9.0 through 5.9.5.
+
+For more details, refer to the online documentation included in this
+distribution. The documentation is also available online:
+
+http://doc.qt.io/qt-5/index.html
+
+The Qt version 5.9 series is binary compatible with the 5.8.x series.
+Applications compiled for 5.8 will continue to run with 5.9.
+
+Some of the changes listed in this file include issue tracking numbers
+corresponding to tasks in the Qt Bug Tracker:
+
+https://bugreports.qt.io/
+
+Each of these identifiers can be entered in the bug tracker to obtain more
+information about a particular change.
+
+****************************************************************************
+*                              Qt 5.9.6 Changes                            *
+****************************************************************************
+
+ - This release contains only minor code improvements.
+
+QtCore
+------
+
+ - [QTBUG-61159] Fixed QStandardPaths::standardLocations() returning some
+   incorrect paths on macOS.
+ - [QTBUG-57299] Fixed some issues with locking files during save using
+   QSaveFile if the target directory is monitored by Dropbox.
+
+QtWidgets
+---------
+
+ - [QTBUG-16252] Fixed geometry not restored correctly for a dock widget
+   after being docked.
+
+qmake
+-----
+
+ - [QTBUG-52474][Xcode] Fixed sources being excluded from Time Machine
+   backups.
+ - [QTBUG-66156] $$relative_path() and $$absolute_path() now resolve
+   the base directory to an absolute path.