update for libqt4
- Fixes XML Entity Expansion Denial of Service (bnc#856832, CVE-2013-4549)
* add backported patch libqt4-disallow-deep-or-widely-nested-entity-references.patch
* add backported patch libqt4-fully-expand-all-entities.patch
- Submitted by Max Lin (mlin7442)
Fixed bugs
bnc#856832
CVE-2013-4549: libqt4/libqt5: xml entity expansion attacks (XXE)