QtSupport: Fix Qt header include

Change
 #include "qversionnumber.h"
to
 #include <QVersionNumber>

Amends: a917770053

Change-Id: Ia6e82f56bf599b39b26391a13ce886dfd1ecbc69
Reviewed-by: hjk <hjk@qt.io>

src/plugins/qtsupport/baseqtversion.h

@@ -4,7 +4,6 @@
 #pragma once
 
 #include "qtsupport_global.h"
-#include "qversionnumber.h"
 
 #include <utils/fileutils.h>
 #include <utils/macroexpander.h>
@@ -15,6 +14,7 @@
 #include <QSet>
 #include <QStringList>
 #include <QVariantMap>
+#include <QVersionNumber>
 
 QT_BEGIN_NAMESPACE
 class ProFileEvaluator;