Use Q_FOREACH in headers.

Downstreams must be able to use QT_NO_KEYWORDS.

Change-Id: Ica75b348c1c9461750b5ae2426557ed8b9e2a8a1
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>

src/testlib/qtesttouch.h

@@ -213,7 +213,7 @@ namespace QTest
         {
             QList<struct QWindowSystemInterface::TouchPoint> newList;
 
-            foreach(QTouchEvent::TouchPoint p, pointList)
+            Q_FOREACH (QTouchEvent::TouchPoint p, pointList)
             {
                 newList.append(touchPoint(p));
             }