fix missed patching step on mac

 - there was a problem if we have frameworks or libs with a different
   name than "/lib/Qt" for example phonon or libQtCLucene

Change-Id: If1dec0dbeffa3d4d5a5a4e24e8d1b21e4b24f2c3
Reviewed-by: Kai Koehne <kai.koehne@digia.com>