QtVersionManager: Fix a warning about missing initializer

It fixes the following warning:
warning: missing initializer for member
‘QtSupport::Internal::ExampleSetModel::ExtraExampleSet::qtVersion’

Amends bdfa412b14

Change-Id: Ieb984664953f53d458297970e09678c499a26197
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/plugins/qtsupport/exampleslistmodel.h

@@ -31,7 +31,7 @@ public:
         // qtVersion is set by recreateModel for extra sets that correspond to actual Qt versions.
         // This is needed for the decision to show categories or not based on the Qt version
         // (which is not ideal).
-        QVersionNumber qtVersion;
+        QVersionNumber qtVersion = {};
     };
     static QVector<ExtraExampleSet> pluginRegisteredExampleSets();
 

src/plugins/qtsupport/qtversionmanager.cpp

@@ -5,7 +5,6 @@
 
 #include "baseqtversion.h"
 #include "exampleslistmodel.h"
-#include "qtkitinformation.h"
 #include "qtsupportconstants.h"
 #include "qtversionfactory.h"