Use forward declaration here

src/job/gravatarresolvurljob.cpp

@@ -12,6 +12,7 @@
 
 #include <QCryptographicHash>
 #include <QNetworkConfigurationManager>
+#include <QNetworkReply>
 #include <QUrlQuery>
 
 using namespace Gravatar;

src/job/gravatarresolvurljob.h

@@ -7,11 +7,10 @@
 #pragma once
 
 #include "gravatar_export.h"
-#include <QNetworkReply>
 #include <QObject>
 #include <QPixmap>
 #include <QUrl>
-
+class QNetworkReply;
 class GravatarResolvUrlJobTest;
 namespace Gravatar
 {