Debugger: Compile fix in manual test for latest Qt base

The #define COMMA trick doesn't work anymore after the
latest Q_DECLARE_METATYPE changes.

Change-Id: I15cfc7387d8e5329b588d6d841cd9c2322270363
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

tests/manual/debugger/simple/simple_test_app.cpp

@@ -4285,8 +4285,9 @@ namespace qthread {
 Q_DECLARE_METATYPE(QHostAddress)
 Q_DECLARE_METATYPE(QList<int>)
 Q_DECLARE_METATYPE(QStringList)
-#define COMMA ,
-Q_DECLARE_METATYPE(QMap<uint COMMA QStringList>)
+
+typedef QMap<uint, QStringList> QMapUIntQStringList;
+Q_DECLARE_METATYPE(QMapUIntQStringList)
 
 namespace qvariant {