Debugger: Dumper fix.

- If NSX and NSY have quotes for the QT_NAMESPACE case, they need them
  for the non-namespace case too.
- Dumper autotest: Replace hard-coded namespace with compile-time
  dynamic one.

share/qtcreator/gdbmacros/gdbmacros_p.h

@@ -56,8 +56,8 @@
 #   define NSY "'"
 #else
 #   define NS ""
-#   define NSX ""
-#   define NSY ""
+#   define NSX "'"
+#   define NSY "'"
 #endif
 
 #if defined(QT_BEGIN_NAMESPACE)