qt, test: Add missed header

Should fix MSVC link errors.

src/qt/test/util.cpp

@@ -2,6 +2,8 @@
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
+#include <qt/test/util.h>
+
 #include <chrono>
 
 #include <QApplication>

src/qt/test/util.h

@@ -7,6 +7,8 @@
 
 #include <chrono>
 
+#include <qglobal.h>
+
 QT_BEGIN_NAMESPACE
 class QString;
 QT_END_NAMESPACE