* poppler/Stream.cc: Remove MemStream::setNeedFree method i really did
        not need it
        * qt4/src/poppler-document.cc:
        * qt4/src/poppler-link.cc:
        * qt4/src/poppler-page.cc:
        * qt4/src/poppler-private.h: Make Document::loadFromData work on
        documents with a password and don't need to do a malloc and a memcpy.