fix msvc Qt6 dev builds

Change-Id: I4264a15c5033b9123c4e97caa86a909e654cef34
Reviewed-by: hjk <hjk@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

src/plugins/remotelinux/genericlinuxdeviceconfigurationwizard.cpp

@@ -30,6 +30,7 @@
 #include "remotelinux_constants.h"
 
 #include <utils/portlist.h>
+#include <utils/fileutils.h>
 
 using namespace ProjectExplorer;
 using namespace QSsh;