[Qt] libQt4Pas on Ubuntu

[Den Jean]

> > However using QMAKE_HOST.arch will cause problems when cross compiling.
> > see: http://bugreports.qt.nokia.com/browse/QTBUG-9160
> 
> Okay... This is no problem for Debian, but if there's a more sane
> solution, I'm happy to add it.
Perhaps Debian cross compiles for the arm releases 

> Can you do a bugfix upstream release or send me this patch 
the qmake function contains does not work for substr, will 
look into it. I will make a new release when the
needed patches of the previous release(V2.2) are incorporated.