CppEditor: Fix Qt4 compilation

Change-Id: Icf86c9c1f39ce5f97e34a27ea456688cba1cd210
Reviewed-by: Robert Loehning <robert.loehning@digia.com>
Reviewed-by: Christian Kandeler <christian.kandeler@digia.com>
Reviewed-by: hjk <hjk121@nokiamail.com>
Debugger: Adjust "supported version" message to reality

Change-Id: I2288592d917089f9c952c96f77150db0b88b1fce
Reviewed-by: hjk <hjk121@nokiamail.com>