Add changelog for QtPositioning 5.3.2 release.

Change-Id: If443639a44cc22e3e81571033aaee9e4cf188a7b
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>

dist/changes-5.3.2

+Qt 5.3.2 is a bug-fix release. It maintains both forward and backward
+compatibility (source and binary) with Qt 5.3.0 and Qt 5.3.1.
+
+For more details, refer to the online documentation included in this
+distribution. The documentation is also available online:
+
+  http://qt-project.org/doc/qt-5.3
+
+The Qt version 5.3 series is binary compatible with the 5.2.x series.
+Applications compiled for 5.2 will continue to run with 5.3.
+
+Some of the changes listed in this file include issue tracking numbers
+corresponding to tasks in the Qt Bug Tracker:
+
+  http://bugreports.qt-project.org/
+
+Each of these identifiers can be entered in the bug tracker to obtain more
+information about a particular change.
+
+****************************************************************************
+*                           Library                                        *
+****************************************************************************
+
+QtPositioning
+-------------
+
+ - [QTBUG-39843] [iOS] Fixed link error of positioncl and positionpoll
+   plug-in.
+
+ - [QTBUG-40198] Fixed symbol clash between sensor and position plug-in.
+   This happened when using static builds of Qt (e.g. on iOS) and the
+   application used QtSensors and QtPositioning at the same time.
+
+ - Improved weatherinfo example to not hang on the "Loading weather data"
+   screen if the current QGeoPositionInfoSource instance returned an error
+   during its startup.
+
+****************************************************************************
+*                      Platform Specific Changes                           *
+****************************************************************************
+
+[iOS]
+
+ - [QTBUG-38300] Fixed wrong value of QGeoPositionInfo attributes if those
+  attributes were not provided by the platforms CoreLocation framework.
+
+[Linux]
+
+ - [QTBUG-40425] Fixed missing error report when failing to connect to GeoClue.
+