Fix dbus wince build

interface is a define under wince. This define is included even
with standard header includes already. It needs to be undefined
for using it.

Task-number: QTBUG-50853
Change-Id: Ie44681f03709848e9747a8aec11835c8d62aa409
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

src/dbus/qdbusabstractinterface.h

@@ -43,6 +43,10 @@
 #include <QtDBus/qdbusextratypes.h>
 #include <QtDBus/qdbusconnection.h>
 
+#ifdef interface
+#undef interface
+#endif
+
 #ifndef QT_NO_DBUS
 
 QT_BEGIN_NAMESPACE

src/dbus/qdbusconnection.cpp

@@ -54,6 +54,10 @@
 
 #include <algorithm>
 
+#ifdef interface
+#undef interface
+#endif
+
 #ifndef QT_NO_DBUS
 
 QT_BEGIN_NAMESPACE

src/dbus/qdbusintegrator.cpp

@@ -63,6 +63,9 @@
 #include "qdbusthreaddebug_p.h"
 
 #include <algorithm>
+#ifdef interface
+#undef interface
+#endif
 
 #ifndef QT_NO_DBUS