[oe] Update qt to 4.7.3

[Eric Bénard]

Hi Paul,

On 12/05/2011 10:56, Paul Menzel wrote:
> Am Mittwoch, den 11.05.2011, 22:29 +0200 schrieb Eric Bénard:
>
>> Please test these recipes you are interested in as for now I only compile
>> tested qt4-embedded&  qt4-native.
>
> if you could take a look at my build problem reported in this thread [1]
> that would be awesome.
>
>
Will see if I can find a way to reproduce the thing

Eric