Fix compiler warning about order of initialization.
Fix compiler warning about order of initialization.

Also, have the copy constructor avoid double-initialization of members.

Change-Id: If2130c5dc51a0b371822f0c27673467b82be36ab
Reviewed-by: Andrew Stanley-Jones <3158427ccc6af852b3b80aff3045d95d14f60128@nokia.com>

qtproject/qtsystems,qtproject/qtsystems