Add missing includes

The problem only shows up on Windows and only if you have built your own
version of Qt. Must be something slightly different with the includes in
that case.

src/QtLocationPlugin/qgeocodereplyqgc.cpp

@@ -51,6 +51,8 @@
 #include <QtPositioning/QGeoAddress>
 #include <QtPositioning/QGeoLocation>
 #include <QtPositioning/QGeoRectangle>
+#include <QSet>
+#include <QDebug>
 
 #include "qgeocodereplyqgc.h"
 

src/QtLocationPlugin/qgeocodingmanagerengineqgc.cpp

@@ -54,6 +54,7 @@
 #include <QtPositioning/QGeoAddress>
 #include <QtPositioning/QGeoShape>
 #include <QtPositioning/QGeoRectangle>
+#include <QDebug>
 
 #include "qgeocodingmanagerengineqgc.h"
 #include "qgeocodereplyqgc.h"