Handle primitives in signals properly (not const)

src/tools/dbusxml2qt3/methodgen.cpp

@@ -923,9 +923,20 @@ void MethodGenerator::writeSignalEmitter(const Class& classData,
     TQValueList<Argument>::const_iterator endIt = method.arguments.end();
     for (; it != endIt;)
     {
-        stream << "const ";
+        if (!(*it).isPrimitive && ((*it).direction == Argument::In || method.type == Method::_Signal))
+        {
+            stream << "const ";
+        }
+
         stream << (*it).signature;
-        stream << "& " << (*it).name;
+
+        if (!(*it).isPrimitive || ((*it).direction == Argument::Out && method.type != Method::_Signal))
+        {
+            stream << "&";
+        }
+
+        stream << " " << (*it).name;
+
         ++it;
         if (it != endIt)
         {