Fix broken -no-feature-dom

44a26a0a79 did a clean up
and moved the new private header outside of QT_NO_DOM.

Fixes: QTBUG-82175
Change-Id: Iafe9c53b78037bdac8420911f6847d29672c68de
Reviewed-by: Sona Kurazyan <sona.kurazyan@qt.io>

src/xml/dom/qdom.cpp

@@ -39,12 +39,13 @@
 
 #include <qplatformdefs.h>
 #include <qdom.h>
-#include "qdom_p.h"
-#include "qdomhelpers_p.h"
 #include "private/qxmlutils_p.h"
 
 #ifndef QT_NO_DOM
 
+#include "qdom_p.h"
+#include "qdomhelpers_p.h"
+
 #include <qatomic.h>
 #include <qbuffer.h>
 #include <qiodevice.h>

src/xml/dom/qdomhelpers.cpp

@@ -37,6 +37,10 @@
 **
 ****************************************************************************/
 
+#include <QtXml/qtxmlglobal.h>
+
+#ifndef QT_NO_DOM
+
 #include "qdomhelpers_p.h"
 #include "qdom_p.h"
 #include "qxmlstream.h"
@@ -661,3 +665,5 @@ bool QDomParser::parseMarkupDecl()
 }
 
 QT_END_NAMESPACE
+
+#endif // QT_NO_DOM